25275267220952 has 128 divisors (see below), whose sum is σ = 55848474071040. Its totient is φ = 10497196892160.

The previous prime is 25275267220927. The next prime is 25275267221003. The reversal of 25275267220952 is 25902276257252.

It is a Harshad number since it is a multiple of its sum of digits (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2483562488 + ... + 2483572664.

It is an arithmetic number, because the mean of its divisors is an integer number (436316203680).

Almost surely, 2^{25275267220952} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25275267220952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27924237035520).

25275267220952 is an abundant number, since it is smaller than the sum of its proper divisors (30573206850088).

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

25275267220952 is a wasteful number, since it uses less digits than its factorization.

25275267220952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14921 (or 14917 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 56.

The spelling of 25275267220952 in words is "twenty-five trillion, two hundred seventy-five billion, two hundred sixty-seven million, two hundred twenty thousand, nine hundred fifty-two".