22533511361 has 2 divisors, whose sum is σ = 22533511362. Its totient is φ = 22533511360.

The previous prime is 22533511349. The next prime is 22533511397. The reversal of 22533511361 is 16311533522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17398929025 + 5134582336 = 131905^2 + 71656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22533511361 is a prime.

It is not a weakly prime, because it can be changed into another prime (22533511061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11266755680 + 11266755681.

It is an arithmetic number, because the mean of its divisors is an integer number (11266755681).

Almost surely, 2^22533511361 is an apocalyptic number.

It is an amenable number.

22533511361 is a deficient number, since it is larger than the sum of its proper divisors (1).

22533511361 is an equidigital number, since it uses as much as digits as its factorization.

22533511361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16200, while the sum is 32.

The spelling of 22533511361 in words is "twenty-two billion, five hundred thirty-three million, five hundred eleven thousand, three hundred sixty-one".