125108205870 has 32 divisors (see below), whose sum is σ = 301206908448. Its totient is φ = 33256942208.

The previous prime is 125108205863. The next prime is 125108205881. The reversal of 125108205870 is 78502801521.

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, 6568209 + ... + 6587228.

It is an arithmetic number, because the mean of its divisors is an integer number (9412715889).

Almost surely, 2^125108205870 is an apocalyptic number.

125108205870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

125108205870 is an abundant number, since it is smaller than the sum of its proper divisors (176098702578).

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

125108205870 is a wasteful number, since it uses less digits than its factorization.

125108205870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13155764.

The product of its (nonzero) digits is 44800, while the sum is 39.

The spelling of 125108205870 in words is "one hundred twenty-five billion, one hundred eight million, two hundred five thousand, eight hundred seventy".