25055115522 has 16 divisors (see below), whose sum is σ = 50117076192. Its totient is φ = 8350564320.

The previous prime is 25055115509. The next prime is 25055115557. The reversal of 25055115522 is 22551155052.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 237004 + ... + 326007.

It is an arithmetic number, because the mean of its divisors is an integer number (3132317262).

Almost surely, 2^25055115522 is an apocalyptic number.

25055115522 is an abundant number, since it is smaller than the sum of its proper divisors (25061960670).

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

25055115522 is a wasteful number, since it uses less digits than its factorization.

25055115522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570433.

The product of its (nonzero) digits is 25000, while the sum is 33.

The spelling of 25055115522 in words is "twenty-five billion, fifty-five million, one hundred fifteen thousand, five hundred twenty-two".