25688113380 has 72 divisors (see below), whose sum is σ = 77937123264. Its totient is φ = 6848712000.

The previous prime is 25688113379. The next prime is 25688113397. The reversal of 25688113380 is 8331188652.

25688113380 is a `hidden beast` number, since 2 + 568 + 8 + 1 + 1 + 3 + 3 + 80 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1040985 + ... + 1065375.

Almost surely, 2^25688113380 is an apocalyptic number.

25688113380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25688113380 is an abundant number, since it is smaller than the sum of its proper divisors (52249009884).

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

25688113380 is a wasteful number, since it uses less digits than its factorization.

25688113380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30257 (or 30252 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 25688113380 in words is "twenty-five billion, six hundred eighty-eight million, one hundred thirteen thousand, three hundred eighty".