22561521452653 has 16 divisors (see below), whose sum is σ = 23143375157760. Its totient is φ = 21987436219056.

The previous prime is 22561521452647. The next prime is 22561521452713. The reversal of 22561521452653 is 35625412516522.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22561521452653 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22561521452597 and 22561521452606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22561521452623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3208738 + ... + 7444396.

It is an arithmetic number, because the mean of its divisors is an integer number (1446460947360).

Almost surely, 2^{22561521452653} is an apocalyptic number.

It is an amenable number.

22561521452653 is a deficient number, since it is larger than the sum of its proper divisors (581853705107).

22561521452653 is a wasteful number, since it uses less digits than its factorization.

22561521452653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236576.

The product of its digits is 4320000, while the sum is 49.

The spelling of 22561521452653 in words is "twenty-two trillion, five hundred sixty-one billion, five hundred twenty-one million, four hundred fifty-two thousand, six hundred fifty-three".