11331165 has 16 divisors (see below), whose sum is σ = 18194688. Its totient is φ = 6021696.

The previous prime is 11331137. The next prime is 11331167. The reversal of 11331165 is 56113311.

It is not a de Polignac number, because 11331165 - 2¹⁰ = 11330141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331167) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3564 + ... + 5946.

It is an arithmetic number, because the mean of its divisors is an integer number (1137168).

Almost surely, 2^11331165 is an apocalyptic number.

11331165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11331165 is a deficient number, since it is larger than the sum of its proper divisors (6863523).

11331165 is a wasteful number, since it uses less digits than its factorization.

11331165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2708.

The product of its digits is 270, while the sum is 21.

The square root of 11331165 is about 3366.1795852271. The cubic root of 11331165 is about 224.6078106132.

Adding to 11331165 its reverse (56113311), we get a palindrome (67444476).

The spelling of 11331165 in words is "eleven million, three hundred thirty-one thousand, one hundred sixty-five".