25223160782180 has 12 divisors (see below), whose sum is σ = 52968637642620. Its totient is φ = 10089264312864.

The previous prime is 25223160782173. The next prime is 25223160782191. The reversal of 25223160782180 is 8128706132252.

It can be written as a sum of positive squares in 2 ways, for example, as 12379997064484 + 12843163717696 = 3518522^2 + 3583736^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 630579019535 + ... + 630579019574.

It is an arithmetic number, because the mean of its divisors is an integer number (4414053136885).

Almost surely, 2^{25223160782180} is an apocalyptic number.

25223160782180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25223160782180 is an abundant number, since it is smaller than the sum of its proper divisors (27745476860440).

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

25223160782180 is a wasteful number, since it uses less digits than its factorization.

25223160782180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261158039118 (or 1261158039116 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 47.

The spelling of 25223160782180 in words is "twenty-five trillion, two hundred twenty-three billion, one hundred sixty million, seven hundred eighty-two thousand, one hundred eighty".