125600649804 has 72 divisors (see below), whose sum is σ = 381943511040. Its totient is φ = 33997167072.

The previous prime is 125600649767. The next prime is 125600649821. The reversal of 125600649804 is 408946006521.

125600649804 is a `hidden beast` number, since 1 + 2 + 560 + 0 + 6 + 4 + 9 + 80 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 125600649804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13111404 + ... + 13120979.

Almost surely, 2^125600649804 is an apocalyptic number.

125600649804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

125600649804 is an abundant number, since it is smaller than the sum of its proper divisors (256342861236).

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

125600649804 is a wasteful number, since it uses less digits than its factorization.

125600649804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26232419 (or 26232414 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 125600649804 in words is "one hundred twenty-five billion, six hundred million, six hundred forty-nine thousand, eight hundred four".