Characteristics of numbers divisible by 11

Characteristics of numbers divisible by 11

It's very troublesome. The characteristic of this number that can be divided by 11. Add a number from the right to the left, the number on the odd bit and the number on the even bit, and then find the difference between them. If the difference is a multiple of 11 (including 0), then the original number must be divisible by 11. For example, judge whether 491678 can be divided by 11