11162109 has 16 divisors (see below), whose sum is σ = 17100800. Its totient is φ = 6343920.

The previous prime is 11162093. The next prime is 11162119. The reversal of 11162109 is 90126111.

It is not a de Polignac number, because 11162109 - 2⁴ = 11162093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11162119) 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, 2844 + ... + 5514.

It is an arithmetic number, because the mean of its divisors is an integer number (1068800).

Almost surely, 2^11162109 is an apocalyptic number.

It is an amenable number.

11162109 is a deficient number, since it is larger than the sum of its proper divisors (5938691).

11162109 is a wasteful number, since it uses less digits than its factorization.

11162109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2880.

The product of its (nonzero) digits is 108, while the sum is 21.

The square root of 11162109 is about 3340.9742591047. The cubic root of 11162109 is about 223.4851923786.

The spelling of 11162109 in words is "eleven million, one hundred sixty-two thousand, one hundred nine".