25285560805600 has 72 divisors (see below), whose sum is σ = 61742796098760. Its totient is φ = 10111861470720.

The previous prime is 25285560805591. The next prime is 25285560805601. The reversal of 25285560805600 is 650806558252.

It is a super-3 number, since 3×25285560805600³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25285560805601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 263415 + ... + 7116214.

It is an arithmetic number, because the mean of its divisors is an integer number (857538834705).

Almost surely, 2^{25285560805600} is an apocalyptic number.

25285560805600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25285560805600 is an abundant number, since it is smaller than the sum of its proper divisors (36457235293160).

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

25285560805600 is a wasteful number, since it uses less digits than its factorization.

25285560805600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7383932 (or 7383919 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 52.

The spelling of 25285560805600 in words is "twenty-five trillion, two hundred eighty-five billion, five hundred sixty million, eight hundred five thousand, six hundred".