22561516801392 has 40 divisors (see below), whose sum is σ = 60818001815424. Its totient is φ = 7193527095744.

The previous prime is 22561516801361. The next prime is 22561516801403. The reversal of 22561516801392 is 29310861516522.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10218077158 + ... + 10218079365.

Almost surely, 2^{22561516801392} is an apocalyptic number.

It is an amenable number.

22561516801392 is an abundant number, since it is smaller than the sum of its proper divisors (38256485014032).

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

22561516801392 is a wasteful number, since it uses less digits than its factorization.

22561516801392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20436156557 (or 20436156551 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 51.

The spelling of 22561516801392 in words is "twenty-two trillion, five hundred sixty-one billion, five hundred sixteen million, eight hundred one thousand, three hundred ninety-two".