1165590113 has 4 divisors (see below), whose sum is σ = 1216267968. Its totient is φ = 1114912260.

The previous prime is 1165590073. The next prime is 1165590143. The reversal of 1165590113 is 3110955611.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1165590113 - 2¹⁴ = 1165573729 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1165590113.

It is not an unprimeable number, because it can be changed into a prime (1165590143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25338893 + ... + 25338938.

It is an arithmetic number, because the mean of its divisors is an integer number (304066992).

Almost surely, 2^1165590113 is an apocalyptic number.

It is an amenable number.

1165590113 is a deficient number, since it is larger than the sum of its proper divisors (50677855).

1165590113 is an equidigital number, since it uses as much as digits as its factorization.

1165590113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50677854.

The product of its (nonzero) digits is 4050, while the sum is 32.

The square root of 1165590113 is about 34140.7397840176. The cubic root of 1165590113 is about 1052.4026951943.

The spelling of 1165590113 in words is "one billion, one hundred sixty-five million, five hundred ninety thousand, one hundred thirteen".