125905019024 has 80 divisors (see below), whose sum is σ = 259373660928. Its totient is φ = 59125718016.

The previous prime is 125905019011. The next prime is 125905019111. The reversal of 125905019024 is 420910509521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2000159 + ... + 2062145.

Almost surely, 2^125905019024 is an apocalyptic number.

It is an amenable number.

125905019024 is an abundant number, since it is smaller than the sum of its proper divisors (133468641904).

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

125905019024 is a wasteful number, since it uses less digits than its factorization.

125905019024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62152 (or 62146 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 38.

The spelling of 125905019024 in words is "one hundred twenty-five billion, nine hundred five million, nineteen thousand, twenty-four".