25361365560 has 64 divisors (see below), whose sum is σ = 76166330400. Its totient is φ = 6755721216.

The previous prime is 25361365553. The next prime is 25361365571. The reversal of 25361365560 is 6556316352.

It is a super-2 number, since 2×25361365560² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2269 + ... + 225228.

Almost surely, 2^25361365560 is an apocalyptic number.

25361365560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25361365560 is an abundant number, since it is smaller than the sum of its proper divisors (50804964840).

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

25361365560 is a wasteful number, since it uses less digits than its factorization.

25361365560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228440 (or 228436 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 42.

The spelling of 25361365560 in words is "twenty-five billion, three hundred sixty-one million, three hundred sixty-five thousand, five hundred sixty".