1159322663 has 4 divisors (see below), whose sum is σ = 1159411560. Its totient is φ = 1159233768.

The previous prime is 1159322653. The next prime is 1159322693. The reversal of 1159322663 is 3662239511.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3662239511 = 7 ⋅523177073.

It is a cyclic number.

It is not a de Polignac number, because 1159322663 - 2²⁰ = 1158274087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1159322603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20633 + ... + 52386.

It is an arithmetic number, because the mean of its divisors is an integer number (289852890).

Almost surely, 2^1159322663 is an apocalyptic number.

1159322663 is a deficient number, since it is larger than the sum of its proper divisors (88897).

1159322663 is an equidigital number, since it uses as much as digits as its factorization.

1159322663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88896.

The product of its digits is 58320, while the sum is 38.

The square root of 1159322663 is about 34048.8276303311. The cubic root of 1159322663 is about 1050.5130260917.

The spelling of 1159322663 in words is "one billion, one hundred fifty-nine million, three hundred twenty-two thousand, six hundred sixty-three".