25512755760 has 80 divisors (see below), whose sum is σ = 87877277280. Its totient is φ = 6803400960.

The previous prime is 25512755747. The next prime is 25512755767. The reversal of 25512755760 is 6755721552.

25512755760 is a `hidden beast` number, since 2 + 5 + 5 + 1 + 2 + 75 + 576 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (25512755767) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5903571 + ... + 5907890.

It is an arithmetic number, because the mean of its divisors is an integer number (1098465966).

Almost surely, 2^25512755760 is an apocalyptic number.

25512755760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25512755760 is an abundant number, since it is smaller than the sum of its proper divisors (62364521520).

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

25512755760 is a wasteful number, since it uses less digits than its factorization.

25512755760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11811483 (or 11811471 counting only the distinct ones).

The product of its (nonzero) digits is 735000, while the sum is 45.

The spelling of 25512755760 in words is "twenty-five billion, five hundred twelve million, seven hundred fifty-five thousand, seven hundred sixty".