125556988800 has 96 divisors (see below), whose sum is σ = 413553363480. Its totient is φ = 33481861120.

The previous prime is 125556988747. The next prime is 125556988819. The reversal of 125556988800 is 8889655521.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

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, 6529827 + ... + 6549026.

Almost surely, 2^125556988800 is an apocalyptic number.

125556988800 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125556988800 is an abundant number, since it is smaller than the sum of its proper divisors (287996374680).

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

125556988800 is a wasteful number, since it uses less digits than its factorization.

125556988800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13078880 (or 13078863 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 57.

The spelling of 125556988800 in words is "one hundred twenty-five billion, five hundred fifty-six million, nine hundred eighty-eight thousand, eight hundred".