This will be some number times 10^18, which depending on what system you use (American or European) it will be either quintillion (American) or trillion (European).
I suggest you just call it that - a "35-digit number".
I would just call it a "400-digit number".
The value of a digit in a number is called its place value.
digit
a long number
If your asking in a digit it's called a 4 digit number and it is the smallest 4 digit number
It is called a 28-digit number!
It is called a twelve-digit number. Its exact name will depend on the number.
A 22 digit number is called a quintillion.
Just that - a 26-digit number. There is no special name for that.
Calling it "17-digit number" is just fine.
I would just call it a "400-digit number".
I suggest you just call it that - a "35-digit number".
We call them by the number of their digits. Two-digit number, three-digit number and so on.
The value of a digit in a number is called its place value.
We generally refer to them by the number of digits. Two-digit number, three-digit number, etc.
digit