125136326672 has 40 divisors (see below), whose sum is σ = 277175967936. Its totient is φ = 53612747136.

The previous prime is 125136326659. The next prime is 125136326687. The reversal of 125136326672 is 276623631521.

It is a super-2 number, since 2×125136326672² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177638 + ... + 530874.

Almost surely, 2^125136326672 is an apocalyptic number.

It is an amenable number.

125136326672 is an abundant number, since it is smaller than the sum of its proper divisors (152039641264).

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

125136326672 is a wasteful number, since it uses less digits than its factorization.

125136326672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356415 (or 356409 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The spelling of 125136326672 in words is "one hundred twenty-five billion, one hundred thirty-six million, three hundred twenty-six thousand, six hundred seventy-two".