125125138886 has 32 divisors (see below), whose sum is σ = 206900416800. Its totient is φ = 56279162880.

The previous prime is 125125138871. The next prime is 125125138903. The reversal of 125125138886 is 688831521521.

It is a Curzon 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, 1810136 + ... + 1877988.

It is an arithmetic number, because the mean of its divisors is an integer number (6465638025).

Almost surely, 2^125125138886 is an apocalyptic number.

125125138886 is a deficient number, since it is larger than the sum of its proper divisors (81775277914).

125125138886 is a wasteful number, since it uses less digits than its factorization.

125125138886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68744.

The product of its digits is 921600, while the sum is 50.

The spelling of 125125138886 in words is "one hundred twenty-five billion, one hundred twenty-five million, one hundred thirty-eight thousand, eight hundred eighty-six".