11165562263 has 2 divisors, whose sum is σ = 11165562264. Its totient is φ = 11165562262.

The previous prime is 11165562229. The next prime is 11165562269. The reversal of 11165562263 is 36226556111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11165562263 - 2⁸ = 11165562007 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11165562269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5582781131 + 5582781132.

It is an arithmetic number, because the mean of its divisors is an integer number (5582781132).

Almost surely, 2^11165562263 is an apocalyptic number.

11165562263 is a deficient number, since it is larger than the sum of its proper divisors (1).

11165562263 is an equidigital number, since it uses as much as digits as its factorization.

11165562263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The spelling of 11165562263 in words is "eleven billion, one hundred sixty-five million, five hundred sixty-two thousand, two hundred sixty-three".