11163 has 6 divisors (see below), whose sum is σ = 15132. Its totient is φ = 7320.

The previous prime is 11161. The next prime is 11171. The reversal of 11163 is 36111.

11163 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11163 - 2¹ = 11161 is a prime.

It is a super-2 number, since 2×11163² = 249225138, which contains 22 as substring.

11163 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (11161) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 153 + ... + 213.

It is an arithmetic number, because the mean of its divisors is an integer number (2522).

11163 is a Friedman number, since it can be written as 61^(1+1)*3, using all its digits and the basic arithmetic operations.

2¹¹¹⁶³ is an apocalyptic number.

11163 is a deficient number, since it is larger than the sum of its proper divisors (3969).

11163 is an frugal number, since it uses more digits than its factorization.

11163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 64 counting only the distinct ones).

The product of its digits is 18, while the sum is 12.

The square root of 11163 is about 105.6550992617. The cubic root of 11163 is about 22.3491138686.

Adding to 11163 its sum of digits (12), we get a triangular number (11175 = T₁₄₉).

Multiplying 11163 by its sum of digits (12), we get a square (133956 = 366²).

Adding to 11163 its reverse (36111), we get a palindrome (47274).

The spelling of 11163 in words is "eleven thousand, one hundred sixty-three".