125558028568 has 32 divisors (see below), whose sum is σ = 278330608800. Its totient is φ = 51955045632.

The previous prime is 125558028503. The next prime is 125558028593. The reversal of 125558028568 is 865820855521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38655405 + ... + 38658652.

It is an arithmetic number, because the mean of its divisors is an integer number (8697831525).

Almost surely, 2^125558028568 is an apocalyptic number.

It is an amenable number.

125558028568 is an abundant number, since it is smaller than the sum of its proper divisors (152772580232).

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

125558028568 is a wasteful number, since it uses less digits than its factorization.

125558028568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77314099 (or 77314095 counting only the distinct ones).

The product of its (nonzero) digits is 7680000, while the sum is 55.

The spelling of 125558028568 in words is "one hundred twenty-five billion, five hundred fifty-eight million, twenty-eight thousand, five hundred sixty-eight".