22115251165 has 16 divisors (see below), whose sum is σ = 30335908608. Its totient is φ = 15161533056.

The previous prime is 22115251127. The next prime is 22115251199. The reversal of 22115251165 is 56115251122.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22115251165 is a prime.

It is a Duffinian number.

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, 107169 + ... + 236041.

It is an arithmetic number, because the mean of its divisors is an integer number (1895994288).

Almost surely, 2^22115251165 is an apocalyptic number.

It is an amenable number.

22115251165 is a deficient number, since it is larger than the sum of its proper divisors (8220657443).

22115251165 is a wasteful number, since it uses less digits than its factorization.

22115251165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133788.

The product of its digits is 6000, while the sum is 31.

The spelling of 22115251165 in words is "twenty-two billion, one hundred fifteen million, two hundred fifty-one thousand, one hundred sixty-five".