125205515132 has 24 divisors (see below), whose sum is σ = 224470281840. Its totient is φ = 61071373440.

The previous prime is 125205515093. The next prime is 125205515203. The reversal of 125205515132 is 231515502521.

It is a congruent number.

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, 3792794 + ... + 3825662.

It is an arithmetic number, because the mean of its divisors is an integer number (9352928410).

Almost surely, 2^125205515132 is an apocalyptic number.

It is an amenable number.

125205515132 is a deficient number, since it is larger than the sum of its proper divisors (99264766708).

125205515132 is a wasteful number, since it uses less digits than its factorization.

125205515132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56141 (or 56139 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 32.

The spelling of 125205515132 in words is "one hundred twenty-five billion, two hundred five million, five hundred fifteen thousand, one hundred thirty-two".