11169 has 12 divisors (see below), whose sum is σ = 17316. Its totient is φ = 6912.

The previous prime is 11161. The next prime is 11171. The reversal of 11169 is 96111.

11169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7569 + 3600 = 87^2 + 60^2 .

It is not a de Polignac number, because 11169 - 2³ = 11161 is a prime.

It is a super-2 number, since 2×11169² = 249493122, which contains 22 as substring.

It is a plaindrome in base 10 and base 15.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 117 + ... + 189.

It is an arithmetic number, because the mean of its divisors is an integer number (1443).

2¹¹¹⁶⁹ is an apocalyptic number.

It is an amenable number.

11169 is a deficient number, since it is larger than the sum of its proper divisors (6147).

11169 is a wasteful number, since it uses less digits than its factorization.

11169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 93 counting only the distinct ones).

The product of its digits is 54, while the sum is 18.

The square root of 11169 is about 105.6834897229. The cubic root of 11169 is about 22.3531172926.

The spelling of 11169 in words is "eleven thousand, one hundred sixty-nine".