22561663052530 has 128 divisors (see below), whose sum is σ = 47891420895744. Its totient is φ = 7492877568000.

The previous prime is 22561663052521. The next prime is 22561663052531. The reversal of 22561663052530 is 3525036616522.

It is not an unprimeable number, because it can be changed into a prime (22561663052531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1206432180 + ... + 1206450880.

It is an arithmetic number, because the mean of its divisors is an integer number (374151725748).

Almost surely, 2^{22561663052530} is an apocalyptic number.

22561663052530 is an abundant number, since it is smaller than the sum of its proper divisors (25329757843214).

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

22561663052530 is a wasteful number, since it uses less digits than its factorization.

22561663052530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23060.

The product of its (nonzero) digits is 1944000, while the sum is 46.

The spelling of 22561663052530 in words is "twenty-two trillion, five hundred sixty-one billion, six hundred sixty-three million, fifty-two thousand, five hundred thirty".