125318013656 has 16 divisors (see below), whose sum is σ = 256332300840. Its totient is φ = 56962733440.

The previous prime is 125318013643. The next prime is 125318013659. The reversal of 125318013656 is 656310813521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125318013659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 712034081 + ... + 712034256.

Almost surely, 2^125318013656 is an apocalyptic number.

It is an amenable number.

125318013656 is an abundant number, since it is smaller than the sum of its proper divisors (131014287184).

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

125318013656 is a wasteful number, since it uses less digits than its factorization.

125318013656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1424068354 (or 1424068350 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 125318013656 in words is "one hundred twenty-five billion, three hundred eighteen million, thirteen thousand, six hundred fifty-six".