22115520051 has 8 divisors (see below), whose sum is σ = 29499774864. Its totient is φ = 14737472640.

The previous prime is 22115520023. The next prime is 22115520059. The reversal of 22115520051 is 15002551122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22115520051 - 2⁹ = 22115519539 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22115520059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1543530 + ... + 1557791.

It is an arithmetic number, because the mean of its divisors is an integer number (3687471858).

Almost surely, 2^22115520051 is an apocalyptic number.

22115520051 is a deficient number, since it is larger than the sum of its proper divisors (7384254813).

22115520051 is a wasteful number, since it uses less digits than its factorization.

22115520051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103701.

The product of its (nonzero) digits is 1000, while the sum is 24.

The spelling of 22115520051 in words is "twenty-two billion, one hundred fifteen million, five hundred twenty thousand, fifty-one".