22502120115555 has 24 divisors (see below), whose sum is σ = 41056499861520. Its totient is φ = 11369492268480.

The previous prime is 22502120115481. The next prime is 22502120115677. The reversal of 22502120115555 is 55551102120522.

22502120115555 is a `hidden beast` number, since 2 + 2 + 50 + 21 + 20 + 1 + 15 + 555 = 666.

It is not a de Polignac number, because 22502120115555 - 2³² = 22497825148259 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13159133716 + ... + 13159135425.

It is an arithmetic number, because the mean of its divisors is an integer number (1710687494230).

Almost surely, 2^{22502120115555} is an apocalyptic number.

22502120115555 is a deficient number, since it is larger than the sum of its proper divisors (18554379745965).

22502120115555 is a wasteful number, since it uses less digits than its factorization.

22502120115555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26318269171 (or 26318269168 counting only the distinct ones).

The product of its (nonzero) digits is 50000, while the sum is 36.

The spelling of 22502120115555 in words is "twenty-two trillion, five hundred two billion, one hundred twenty million, one hundred fifteen thousand, five hundred fifty-five".