125135073864 has 48 divisors (see below), whose sum is σ = 340400520720. Its totient is φ = 41527933920.

The previous prime is 125135073853. The next prime is 125135073887. The reversal of 125135073864 is 468370531521.

It is a happy number.

125135073864 is a `hidden beast` number, since 1 + 2 + 51 + 3 + 507 + 38 + 64 = 666.

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, 3811822 + ... + 3844509.

It is an arithmetic number, because the mean of its divisors is an integer number (7091677515).

Almost surely, 2^125135073864 is an apocalyptic number.

It is an amenable number.

125135073864 is an abundant number, since it is smaller than the sum of its proper divisors (215265446856).

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

125135073864 is a wasteful number, since it uses less digits than its factorization.

125135073864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7656570 (or 7656563 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 125135073864 in words is "one hundred twenty-five billion, one hundred thirty-five million, seventy-three thousand, eight hundred sixty-four".