125250643686 has 16 divisors (see below), whose sum is σ = 286287185664. Its totient is φ = 35785898184.

The previous prime is 125250643669. The next prime is 125250643697. The reversal of 125250643686 is 686346052521.

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, 1491079050 + ... + 1491079133.

It is an arithmetic number, because the mean of its divisors is an integer number (17892949104).

Almost surely, 2^125250643686 is an apocalyptic number.

125250643686 is an abundant number, since it is smaller than the sum of its proper divisors (161036541978).

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

125250643686 is a wasteful number, since it uses less digits than its factorization.

125250643686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2982158195.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 125250643686 in words is "one hundred twenty-five billion, two hundred fifty million, six hundred forty-three thousand, six hundred eighty-six".