22563636610553 has 2 divisors, whose sum is σ = 22563636610554. Its totient is φ = 22563636610552.

The previous prime is 22563636610523. The next prime is 22563636610573. The reversal of 22563636610553 is 35501663636522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22229075011984 + 334561598569 = 4714772^2 + 578413^2 .

It is a cyclic number.

It is not a de Polignac number, because 22563636610553 - 2²⁰ = 22563635561977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22563636610495 and 22563636610504.

It is not a weakly prime, because it can be changed into another prime (22563636610523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11281818305276 + 11281818305277.

It is an arithmetic number, because the mean of its divisors is an integer number (11281818305277).

Almost surely, 2^{22563636610553} is an apocalyptic number.

It is an amenable number.

22563636610553 is a deficient number, since it is larger than the sum of its proper divisors (1).

22563636610553 is an equidigital number, since it uses as much as digits as its factorization.

22563636610553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496000, while the sum is 53.

The spelling of 22563636610553 in words is "twenty-two trillion, five hundred sixty-three billion, six hundred thirty-six million, six hundred ten thousand, five hundred fifty-three".