Q: What is the negative version of the number 25,561,639?
A: -25,561,639
Negative numbers are usually written with - in front of them. They represent a number that is less than zero.
Here are more examples of negative numbers in sequence:
| 25,561,637 | 25,561,638 | 25,561,640 | 25,561,641 |
| -25,561,637 | -25,561,638 | -25,561,640 | -25,561,641 |