25161040960 has 56 divisors (see below), whose sum is σ = 65361531456. Its totient is φ = 9149468160.

The previous prime is 25161040943. The next prime is 25161040979. The reversal of 25161040960 is 6904016152.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3570492 + ... + 3577531.

Almost surely, 2^25161040960 is an apocalyptic number.

25161040960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25161040960 is an abundant number, since it is smaller than the sum of its proper divisors (40200490496).

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

25161040960 is a wasteful number, since it uses less digits than its factorization.

25161040960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7148051 (or 7148041 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The spelling of 25161040960 in words is "twenty-five billion, one hundred sixty-one million, forty thousand, nine hundred sixty".