The list of numbers continues forever so there is not a largest number. We sometimes call the 'final number' infinity but it is not a fixed number - it has no value.
Think about this:
Let n be any number
What must n+1 be? Well, it is a number plus another number so it must also be a number. That means that the list of numbers continues forever and there is no largest number.
Ya India does have the highest number of child workers in the world
No, there is no highest number. For every number there are infinitely more numbers that are higher.
I think the highest number in the world is Gogol. which is a one digit number followed by 100 zero's. But I say the largest number in the world is whatever you can make it!
Brazil has the second highest number of Christians in the world. France has the second highest percentage of Christians in the world. --source: Adherents.com
Perth has the highest number of self made millionaires in the world.
Bangalore
The highest number of goals in a world cup year is 13 by the french footballer in 1958 Just Fontaine.
There is no largest number under infinity because what ever the highest number is, one can always be added to it, making the new number the highest number.
There are the highest number in the world
The highest number of plastic surgeries in the world.
Boston
The highest number of world cups a soccer team can win is never limited but the most recent world cups a team has won in soccer is 5.