125552775504 has 80 divisors (see below), whose sum is σ = 367678203200. Its totient is φ = 36598376448.

The previous prime is 125552775457. The next prime is 125552775547. The reversal of 125552775504 is 405577255521.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5283049 + ... + 5306760.

It is an arithmetic number, because the mean of its divisors is an integer number (4595977540).

Almost surely, 2^125552775504 is an apocalyptic number.

It is an amenable number.

125552775504 is an abundant number, since it is smaller than the sum of its proper divisors (242125427696).

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

125552775504 is a wasteful number, since it uses less digits than its factorization.

125552775504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10589852 (or 10589846 counting only the distinct ones).

The product of its (nonzero) digits is 2450000, while the sum is 48.

The spelling of 125552775504 in words is "one hundred twenty-five billion, five hundred fifty-two million, seven hundred seventy-five thousand, five hundred four".