25512561115360 has 96 divisors (see below), whose sum is σ = 65942318961792. Its totient is φ = 9250559009280.

The previous prime is 25512561115313. The next prime is 25512561115399. The reversal of 25512561115360 is 6351116521552.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20276562 + ... + 21498001.

It is an arithmetic number, because the mean of its divisors is an integer number (686899155852).

Almost surely, 2^{25512561115360} is an apocalyptic number.

25512561115360 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25512561115360 is an abundant number, since it is smaller than the sum of its proper divisors (40429757846432).

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

25512561115360 is a wasteful number, since it uses less digits than its factorization.

25512561115360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41774936 (or 41774928 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 43.

The spelling of 25512561115360 in words is "twenty-five trillion, five hundred twelve billion, five hundred sixty-one million, one hundred fifteen thousand, three hundred sixty".