It you add up all the digit in the number they will total 11.
For example the number 425 has digits that sum to 11. (4 + 2 + 5 = 11)
1 + 1 = 2 The sum of the digits is therefore 2.
The sum of the digits in odd position minus the sum of the digits in even position is divisible by 11.
The difference betweenthe sum of the digits in odd positions andthe sum of the digits in even positionsis divisible by 11.
65
22
65 has 13 as a factor because 13 divides into 65 evenly with no remainder. The sum of the digits of 65 is 11 because 6 + 5 = 11
By the sum of its digits: 10. By each of its individual digits: 11.
How about 65 because 6+5 = 11
65
The number 1111115
11
11 squared is 121