13875256525 has 48 divisors (see below), whose sum is σ = 18698428224. Its totient is φ = 10153082880.

The previous prime is 13875256517. The next prime is 13875256541. The reversal of 13875256525 is 52565257831.

It is not a de Polignac number, because 13875256525 - 2³ = 13875256517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23637282 + ... + 23637868.

It is an arithmetic number, because the mean of its divisors is an integer number (389550588).

Almost surely, 2^13875256525 is an apocalyptic number.

It is an amenable number.

13875256525 is a deficient number, since it is larger than the sum of its proper divisors (4823171699).

13875256525 is a wasteful number, since it uses less digits than its factorization.

13875256525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1150 (or 1145 counting only the distinct ones).

The product of its digits is 2520000, while the sum is 49.

It can be divided in two parts, 13875 and 256525, that added together give a square (270400 = 520²).

The spelling of 13875256525 in words is "thirteen billion, eight hundred seventy-five million, two hundred fifty-six thousand, five hundred twenty-five".