125431788672 has 96 divisors (see below), whose sum is σ = 379940106000. Its totient is φ = 39610031616.

The previous prime is 125431788659. The next prime is 125431788701. The reversal of 125431788672 is 276887134521.

125431788672 is a `hidden beast` number, since 1 + 2 + 543 + 17 + 8 + 86 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2843422 + ... + 2887197.

Almost surely, 2^125431788672 is an apocalyptic number.

125431788672 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125431788672 is an abundant number, since it is smaller than the sum of its proper divisors (254508317328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125431788672 is a wasteful number, since it uses less digits than its factorization.

125431788672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5730658 (or 5730643 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The spelling of 125431788672 in words is "one hundred twenty-five billion, four hundred thirty-one million, seven hundred eighty-eight thousand, six hundred seventy-two".