25165522556152 has 64 divisors (see below), whose sum is σ = 51516183398400. Its totient is φ = 11429710416000.

The previous prime is 25165522556137. The next prime is 25165522556177.

25165522556152 is nontrivially palindromic in base 10.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25165522556152.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692884249 + ... + 692920567.

It is an arithmetic number, because the mean of its divisors is an integer number (804940365600).

Almost surely, 2^{25165522556152} is an apocalyptic number.

25165522556152 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25165522556152 is an abundant number, since it is smaller than the sum of its proper divisors (26350660842248).

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

25165522556152 is a wasteful number, since it uses less digits than its factorization.

25165522556152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42428 (or 42424 counting only the distinct ones).

The product of its digits is 9000000, while the sum is 52.

The spelling of 25165522556152 in words is "twenty-five trillion, one hundred sixty-five billion, five hundred twenty-two million, five hundred fifty-six thousand, one hundred fifty-two".