25486531295 has 4 divisors (see below), whose sum is σ = 30583837560. Its totient is φ = 20389225032.

The previous prime is 25486531289. The next prime is 25486531307. The reversal of 25486531295 is 59213568452.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 25486531295 - 2²⁰ = 25485482719 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2548653125 + ... + 2548653134.

It is an arithmetic number, because the mean of its divisors is an integer number (7645959390).

Almost surely, 2^25486531295 is an apocalyptic number.

25486531295 is a deficient number, since it is larger than the sum of its proper divisors (5097306265).

25486531295 is an equidigital number, since it uses as much as digits as its factorization.

25486531295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5097306264.

The product of its digits is 2592000, while the sum is 50.

The spelling of 25486531295 in words is "twenty-five billion, four hundred eighty-six million, five hundred thirty-one thousand, two hundred ninety-five".