22561543632452 has 96 divisors (see below), whose sum is σ = 44690889196800. Its totient is φ = 9871967347200.

The previous prime is 22561543632431. The next prime is 22561543632487. The reversal of 22561543632452 is 25423634516522.

It is a self number, because there is not a number n which added to its sum of digits gives 22561543632452.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 655289174 + ... + 655323602.

It is an arithmetic number, because the mean of its divisors is an integer number (465530095800).

Almost surely, 2^{22561543632452} is an apocalyptic number.

22561543632452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22561543632452 is a deficient number, since it is larger than the sum of its proper divisors (22129345564348).

22561543632452 is a wasteful number, since it uses less digits than its factorization.

22561543632452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35997 (or 35995 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 50.

The spelling of 22561543632452 in words is "twenty-two trillion, five hundred sixty-one billion, five hundred forty-three million, six hundred thirty-two thousand, four hundred fifty-two".