25874009315 has 64 divisors (see below), whose sum is σ = 39524474880. Its totient is φ = 15791293440.

The previous prime is 25874009263. The next prime is 25874009323. The reversal of 25874009315 is 51390047852.

It is a Cunningham number, because it is equal to 160854²-1.

It is not a de Polignac number, because 25874009315 - 2⁸ = 25874009059 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 12384791 + ... + 12386879.

It is an arithmetic number, because the mean of its divisors is an integer number (617569920).

Almost surely, 2^25874009315 is an apocalyptic number.

25874009315 is a deficient number, since it is larger than the sum of its proper divisors (13650465565).

25874009315 is a wasteful number, since it uses less digits than its factorization.

25874009315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2772.

The product of its (nonzero) digits is 302400, while the sum is 44.

The spelling of 25874009315 in words is "twenty-five billion, eight hundred seventy-four million, nine thousand, three hundred fifteen".