25552851144560 has 20 divisors (see below), whose sum is σ = 59410378911288. Its totient is φ = 10221140457792.

The previous prime is 25552851144547. The next prime is 25552851144563. The reversal of 25552851144560 is 6544115825552.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25552851144563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 159705319574 + ... + 159705319733.

Almost surely, 2^{25552851144560} is an apocalyptic number.

25552851144560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25552851144560 is an abundant number, since it is smaller than the sum of its proper divisors (33857527766728).

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

25552851144560 is a wasteful number, since it uses less digits than its factorization.

25552851144560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319410639320 (or 319410639314 counting only the distinct ones).

The product of its (nonzero) digits is 9600000, while the sum is 53.

The spelling of 25552851144560 in words is "twenty-five trillion, five hundred fifty-two billion, eight hundred fifty-one million, one hundred forty-four thousand, five hundred sixty".