11151165 has 16 divisors (see below), whose sum is σ = 18418176. Its totient is φ = 5755200.

The previous prime is 11151143. The next prime is 11151169. The reversal of 11151165 is 56115111.

It is a happy number.

It is not a de Polignac number, because 11151165 - 2¹⁰ = 11150141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11151169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11526 + ... + 12455.

It is an arithmetic number, because the mean of its divisors is an integer number (1151136).

Almost surely, 2^11151165 is an apocalyptic number.

11151165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11151165 is a deficient number, since it is larger than the sum of its proper divisors (7267011).

11151165 is a wasteful number, since it uses less digits than its factorization.

11151165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24020.

The product of its digits is 150, while the sum is 21.

The square root of 11151165 is about 3339.3360118443. The cubic root of 11151165 is about 223.4121290736.

Adding to 11151165 its reverse (56115111), we get a palindrome (67266276).

The spelling of 11151165 in words is "eleven million, one hundred fifty-one thousand, one hundred sixty-five".