25045512315 has 16 divisors (see below), whose sum is σ = 40075849248. Its totient is φ = 13356596736.

The previous prime is 25045512311. The next prime is 25045512329. The reversal of 25045512315 is 51321554052.

It is not a de Polignac number, because 25045512315 - 2² = 25045512311 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25045512311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169587 + ... + 280803.

It is an arithmetic number, because the mean of its divisors is an integer number (2504740578).

Almost surely, 2^25045512315 is an apocalyptic number.

25045512315 is a deficient number, since it is larger than the sum of its proper divisors (15030336933).

25045512315 is a wasteful number, since it uses less digits than its factorization.

25045512315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126238.

The product of its (nonzero) digits is 30000, while the sum is 33.

The spelling of 25045512315 in words is "twenty-five billion, forty-five million, five hundred twelve thousand, three hundred fifteen".