25320555012252 has 24 divisors (see below), whose sum is σ = 60455278635136. Its totient is φ = 8243901631728.

The previous prime is 25320555012227. The next prime is 25320555012253. The reversal of 25320555012252 is 25221055502352.

It is a super-2 number, since 2×25320555012252² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 25320555012252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25320555012253) 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, 24535421008 + ... + 24535422039.

Almost surely, 2^{25320555012252} is an apocalyptic number.

It is an amenable number.

25320555012252 is an abundant number, since it is smaller than the sum of its proper divisors (35134723622884).

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

25320555012252 is a wasteful number, since it uses less digits than its factorization.

25320555012252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49070843097 (or 49070843095 counting only the distinct ones).

The product of its (nonzero) digits is 300000, while the sum is 39.

The spelling of 25320555012252 in words is "twenty-five trillion, three hundred twenty billion, five hundred fifty-five million, twelve thousand, two hundred fifty-two".