125000013888 has 70 divisors (see below), whose sum is σ = 370539215486. Its totient is φ = 41666669568.

The previous prime is 125000013863. The next prime is 125000013911. The reversal of 125000013888 is 888310000521.

125000013888 is a `hidden beast` number, since 12 + 500 + 0 + 0 + 138 + 8 + 8 = 666.

125000013888 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 109502751744 + 15497262144 = 330912^2 + 124488^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 12051145 + ... + 12061512.

Almost surely, 2^125000013888 is an apocalyptic number.

125000013888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

125000013888 is an abundant number, since it is smaller than the sum of its proper divisors (245539201598).

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

125000013888 is an equidigital number, since it uses as much as digits as its factorization.

125000013888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24112681 (or 24112662 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 36.

The spelling of 125000013888 in words is "one hundred twenty-five billion, thirteen thousand, eight hundred eighty-eight".