22561303120056 has 48 divisors (see below), whose sum is σ = 61108171099560. Its totient is φ = 7519863072960.

The previous prime is 22561303120043. The next prime is 22561303120079. The reversal of 22561303120056 is 65002130316522.

22561303120056 is a `hidden beast` number, since 2 + 2 + 5 + 613 + 0 + 31 + 2 + 0 + 0 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22561303120056.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10947195 + ... + 12843818.

Almost surely, 2^{22561303120056} is an apocalyptic number.

It is an amenable number.

22561303120056 is an abundant number, since it is smaller than the sum of its proper divisors (38546867979504).

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

22561303120056 is a wasteful number, since it uses less digits than its factorization.

22561303120056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23804196 (or 23804189 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

Adding to 22561303120056 its reverse (65002130316522), we get a palindrome (87563433436578).

The spelling of 22561303120056 in words is "twenty-two trillion, five hundred sixty-one billion, three hundred three million, one hundred twenty thousand, fifty-six".