25160515712 has 48 divisors (see below), whose sum is σ = 53246482170. Its totient is φ = 11840225280.

The previous prime is 25160515693. The next prime is 25160515733. The reversal of 25160515712 is 21751506152.

It can be written as a sum of positive squares in 3 ways, for example, as 23330729536 + 1829786176 = 152744^2 + 42776^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 303089 + ... + 377072.

Almost surely, 2^25160515712 is an apocalyptic number.

It is an amenable number.

25160515712 is an abundant number, since it is smaller than the sum of its proper divisors (28085966458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25160515712 is an equidigital number, since it uses as much as digits as its factorization.

25160515712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680209 (or 680180 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 25160515712 in words is "twenty-five billion, one hundred sixty million, five hundred fifteen thousand, seven hundred twelve".