125311913512 has 16 divisors (see below), whose sum is σ = 235169079840. Its totient is φ = 62600158896.

The previous prime is 125311913479. The next prime is 125311913537. The reversal of 125311913512 is 215319113521.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6965188 + ... + 6983155.

It is an arithmetic number, because the mean of its divisors is an integer number (14698067490).

Almost surely, 2^125311913512 is an apocalyptic number.

It is an amenable number.

125311913512 is a deficient number, since it is larger than the sum of its proper divisors (109857166328).

125311913512 is a wasteful number, since it uses less digits than its factorization.

125311913512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13949472 (or 13949468 counting only the distinct ones).

The product of its digits is 8100, while the sum is 34.

The spelling of 125311913512 in words is "one hundred twenty-five billion, three hundred eleven million, nine hundred thirteen thousand, five hundred twelve".