25139142875 has 32 divisors (see below), whose sum is σ = 39115215360. Its totient is φ = 15671148000.

The previous prime is 25139142863. The next prime is 25139142901. The reversal of 25139142875 is 57824193152.

It is not a de Polignac number, because 25139142875 - 2⁶ = 25139142811 is a prime.

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 31 ways as a sum of consecutive naturals, for example, 1296305 + ... + 1315554.

It is an arithmetic number, because the mean of its divisors is an integer number (1222350480).

Almost surely, 2^25139142875 is an apocalyptic number.

25139142875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25139142875 is a deficient number, since it is larger than the sum of its proper divisors (13976072485).

25139142875 is a wasteful number, since it uses less digits than its factorization.

25139142875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611892 (or 2611882 counting only the distinct ones).

The product of its digits is 604800, while the sum is 47.

The spelling of 25139142875 in words is "twenty-five billion, one hundred thirty-nine million, one hundred forty-two thousand, eight hundred seventy-five".