13875138825 has 12 divisors (see below), whose sum is σ = 22940229648. Its totient is φ = 7400074000.

The previous prime is 13875138803. The next prime is 13875138881. The reversal of 13875138825 is 52883157831.

It is not a de Polignac number, because 13875138825 - 2¹⁷ = 13875007753 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92500851 + ... + 92501000.

It is an arithmetic number, because the mean of its divisors is an integer number (1911685804).

Almost surely, 2^13875138825 is an apocalyptic number.

13875138825 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13875138825 is a deficient number, since it is larger than the sum of its proper divisors (9065090823).

13875138825 is a wasteful number, since it uses less digits than its factorization.

13875138825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185001864 (or 185001859 counting only the distinct ones).

The product of its digits is 1612800, while the sum is 51.

The spelling of 13875138825 in words is "thirteen billion, eight hundred seventy-five million, one hundred thirty-eight thousand, eight hundred twenty-five".