125312798664 has 96 divisors (see below), whose sum is σ = 368775763200. Its totient is φ = 38295918720.

The previous prime is 125312798599. The next prime is 125312798671. The reversal of 125312798664 is 466897213521.

It is a happy number.

125312798664 is a `hidden beast` number, since 1 + 2 + 531 + 27 + 9 + 86 + 6 + 4 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 125312798664.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1435059 + ... + 1519874.

It is an arithmetic number, because the mean of its divisors is an integer number (3841414200).

Almost surely, 2^125312798664 is an apocalyptic number.

It is an amenable number.

125312798664 is an abundant number, since it is smaller than the sum of its proper divisors (243462964536).

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

125312798664 is a wasteful number, since it uses less digits than its factorization.

125312798664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2954995 (or 2954988 counting only the distinct ones).

The product of its digits is 4354560, while the sum is 54.

The spelling of 125312798664 in words is "one hundred twenty-five billion, three hundred twelve million, seven hundred ninety-eight thousand, six hundred sixty-four".