125360634655 has 16 divisors (see below), whose sum is σ = 154650329568. Its totient is φ = 97494208000.

The previous prime is 125360634647. The next prime is 125360634691. The reversal of 125360634655 is 556436063521.

It is not a de Polignac number, because 125360634655 - 2³ = 125360634647 is a prime.

It is a super-2 number, since 2×125360634655² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

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, 1030501 + ... + 1145710.

It is an arithmetic number, because the mean of its divisors is an integer number (9665645598).

Almost surely, 2^125360634655 is an apocalyptic number.

125360634655 is a deficient number, since it is larger than the sum of its proper divisors (29289694913).

125360634655 is a wasteful number, since it uses less digits than its factorization.

125360634655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2176538.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 125360634655 in words is "one hundred twenty-five billion, three hundred sixty million, six hundred thirty-four thousand, six hundred fifty-five".