13888875125 has 16 divisors (see below), whose sum is σ = 17344392624. Its totient is φ = 11104000000.

The previous prime is 13888875109. The next prime is 13888875127. The reversal of 13888875125 is 52157888831.

It can be written as a sum of positive squares in 8 ways, for example, as 325477681 + 13563397444 = 18041^2 + 116462^2 .

It is not a de Polignac number, because 13888875125 - 2⁴ = 13888875109 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13888875127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165425 + ... + 234825.

It is an arithmetic number, because the mean of its divisors is an integer number (1084024539).

Almost surely, 2^13888875125 is an apocalyptic number.

It is an amenable number.

13888875125 is a deficient number, since it is larger than the sum of its proper divisors (3455517499).

13888875125 is an equidigital number, since it uses as much as digits as its factorization.

13888875125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71017 (or 71007 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 56.

The spelling of 13888875125 in words is "thirteen billion, eight hundred eighty-eight million, eight hundred seventy-five thousand, one hundred twenty-five".