22536261363617 has 2 divisors, whose sum is σ = 22536261363618. Its totient is φ = 22536261363616.

The previous prime is 22536261363491. The next prime is 22536261363677. The reversal of 22536261363617 is 71636316263522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21946891932001 + 589369431616 = 4684751^2 + 767704^2 .

It is a cyclic number.

It is not a de Polignac number, because 22536261363617 - 2²⁶ = 22536194254753 is a prime.

It is not a weakly prime, because it can be changed into another prime (22536261363677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11268130681808 + 11268130681809.

It is an arithmetic number, because the mean of its divisors is an integer number (11268130681809).

Almost surely, 2^{22536261363617} is an apocalyptic number.

It is an amenable number.

22536261363617 is a deficient number, since it is larger than the sum of its proper divisors (1).

22536261363617 is an equidigital number, since it uses as much as digits as its factorization.

22536261363617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 53.

The spelling of 22536261363617 in words is "twenty-two trillion, five hundred thirty-six billion, two hundred sixty-one million, three hundred sixty-three thousand, six hundred seventeen".