125632637632 has 28 divisors (see below), whose sum is σ = 249491155576. Its totient is φ = 62768724480.

The previous prime is 125632637617. The next prime is 125632637633. The reversal of 125632637632 is 236736236521.

It is not an unprimeable number, because it can be changed into a prime (125632637633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 658458 + ... + 827545.

Almost surely, 2^125632637632 is an apocalyptic number.

It is an amenable number.

125632637632 is a deficient number, since it is larger than the sum of its proper divisors (123858517944).

125632637632 is a wasteful number, since it uses less digits than its factorization.

125632637632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487336 (or 1487326 counting only the distinct ones).

The product of its digits is 1632960, while the sum is 46.

The spelling of 125632637632 in words is "one hundred twenty-five billion, six hundred thirty-two million, six hundred thirty-seven thousand, six hundred thirty-two".