25159713908 has 12 divisors (see below), whose sum is σ = 50319427872. Its totient is φ = 10782734520.

The previous prime is 25159713883. The next prime is 25159713913. The reversal of 25159713908 is 80931795152.

25159713908 is an admirable number.

It is a super-2 number, since 2×25159713908² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449280578 + ... + 449280633.

It is an arithmetic number, because the mean of its divisors is an integer number (4193285656).

Almost surely, 2^25159713908 is an apocalyptic number.

25159713908 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25159713908 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25159713908 is a wasteful number, since it uses less digits than its factorization.

25159713908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898561222 (or 898561220 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 50.

The spelling of 25159713908 in words is "twenty-five billion, one hundred fifty-nine million, seven hundred thirteen thousand, nine hundred eight".