25374527155 has 16 divisors (see below), whose sum is σ = 32015808000. Its totient is φ = 19278322560.

The previous prime is 25374527149. The next prime is 25374527173. The reversal of 25374527155 is 55172547352.

It is not a de Polignac number, because 25374527155 - 2⁷ = 25374527027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1425555 + ... + 1443244.

It is an arithmetic number, because the mean of its divisors is an integer number (2000988000).

Almost surely, 2^25374527155 is an apocalyptic number.

25374527155 is a deficient number, since it is larger than the sum of its proper divisors (6641280845).

25374527155 is a wasteful number, since it uses less digits than its factorization.

25374527155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2868894.

The product of its digits is 1470000, while the sum is 46.

It can be divided in two parts, 253745 and 27155, that added together give a square (280900 = 530²).

The spelling of 25374527155 in words is "twenty-five billion, three hundred seventy-four million, five hundred twenty-seven thousand, one hundred fifty-five".