11165797 has 4 divisors (see below), whose sum is σ = 11526016. Its totient is φ = 10805580.

The previous prime is 11165779. The next prime is 11165807. The reversal of 11165797 is 79756111.

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 a de Polignac number, because none of the positive numbers 2^k-11165797 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 (11165747) 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, 180063 + ... + 180124.

It is an arithmetic number, because the mean of its divisors is an integer number (2881504).

Almost surely, 2^11165797 is an apocalyptic number.

It is an amenable number.

11165797 is a deficient number, since it is larger than the sum of its proper divisors (360219).

11165797 is an equidigital number, since it uses as much as digits as its factorization.

11165797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360218.

The product of its digits is 13230, while the sum is 37.

The square root of 11165797 is about 3341.5261483340. The cubic root of 11165797 is about 223.5098030990.

The spelling of 11165797 in words is "eleven million, one hundred sixty-five thousand, seven hundred ninety-seven".