25512606502120 has 32 divisors (see below), whose sum is σ = 59255086072320. Its totient is φ = 9875847677760.

The previous prime is 25512606502087. The next prime is 25512606502127. The reversal of 25512606502120 is 2120560621552.

It is a self number, because there is not a number n which added to its sum of digits gives 25512606502120.

It is not an unprimeable number, because it can be changed into a prime (25512606502127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10287340092 + ... + 10287342571.

It is an arithmetic number, because the mean of its divisors is an integer number (1851721439760).

Almost surely, 2^{25512606502120} is an apocalyptic number.

25512606502120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25512606502120 is an abundant number, since it is smaller than the sum of its proper divisors (33742479570200).

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

25512606502120 is a wasteful number, since it uses less digits than its factorization.

25512606502120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20574682705 (or 20574682701 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 37.

The spelling of 25512606502120 in words is "twenty-five trillion, five hundred twelve billion, six hundred six million, five hundred two thousand, one hundred twenty".