25842780882172 has 24 divisors (see below), whose sum is σ = 46473839135360. Its totient is φ = 12564942315840.

The previous prime is 25842780882143. The next prime is 25842780882181. The reversal of 25842780882172 is 27128808724852.

It is a super-2 number, since 2×25842780882172² (a number of 28 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 7 ways as a sum of consecutive naturals, for example, 49889772 + ... + 50405107.

Almost surely, 2^{25842780882172} is an apocalyptic number.

It is an amenable number.

25842780882172 is a deficient number, since it is larger than the sum of its proper divisors (20631058253188).

25842780882172 is a wasteful number, since it uses less digits than its factorization.

25842780882172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100296661 (or 100296659 counting only the distinct ones).

The product of its (nonzero) digits is 64225280, while the sum is 64.

The spelling of 25842780882172 in words is "twenty-five trillion, eight hundred forty-two billion, seven hundred eighty million, eight hundred eighty-two thousand, one hundred seventy-two".