125155620056 has 8 divisors (see below), whose sum is σ = 234666787620. Its totient is φ = 62577810024.

The previous prime is 125155620053. The next prime is 125155620127. The reversal of 125155620056 is 650026551521.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125155620053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7822226246 + ... + 7822226261.

Almost surely, 2^125155620056 is an apocalyptic number.

It is an amenable number.

125155620056 is a deficient number, since it is larger than the sum of its proper divisors (109511167564).

125155620056 is a wasteful number, since it uses less digits than its factorization.

125155620056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15644452513 (or 15644452509 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 38.

The spelling of 125155620056 in words is "one hundred twenty-five billion, one hundred fifty-five million, six hundred twenty thousand, fifty-six".