25276251375138 has 16 divisors (see below), whose sum is σ = 50557217278176. Its totient is φ = 8424631370400.

The previous prime is 25276251375127. The next prime is 25276251375157. The reversal of 25276251375138 is 83157315267252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196368963 + ... + 196497638.

It is an arithmetic number, because the mean of its divisors is an integer number (3159826079886).

Almost surely, 2^{25276251375138} is an apocalyptic number.

25276251375138 is an abundant number, since it is smaller than the sum of its proper divisors (25280965903038).

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

25276251375138 is a wasteful number, since it uses less digits than its factorization.

25276251375138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392877329.

The product of its digits is 21168000, while the sum is 57.

The spelling of 25276251375138 in words is "twenty-five trillion, two hundred seventy-six billion, two hundred fifty-one million, three hundred seventy-five thousand, one hundred thirty-eight".