25001112555 has 24 divisors (see below), whose sum is σ = 44257292352. Its totient is φ = 13050225024.

The previous prime is 25001112533. The next prime is 25001112559. The reversal of 25001112555 is 55521110052.

It is not a de Polignac number, because 25001112555 - 2⁵ = 25001112523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25001112559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5908314 + ... + 5912543.

It is an arithmetic number, because the mean of its divisors is an integer number (1844053848).

Almost surely, 2^25001112555 is an apocalyptic number.

25001112555 is a deficient number, since it is larger than the sum of its proper divisors (19256179797).

25001112555 is a wasteful number, since it uses less digits than its factorization.

25001112555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11820915 (or 11820912 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

The spelling of 25001112555 in words is "twenty-five billion, one million, one hundred twelve thousand, five hundred fifty-five".