11118 has 16 divisors (see below), whose sum is σ = 23760. Its totient is φ = 3456.

The previous prime is 11117. The next prime is 11119. The reversal of 11118 is 81111.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11117) and next prime (11119).

It is a plaindrome in base 8 and base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48 + ... + 156.

It is an arithmetic number, because the mean of its divisors is an integer number (1485).

2¹¹¹¹⁸ is an apocalyptic number.

11118 is an abundant number, since it is smaller than the sum of its proper divisors (12642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11880).

11118 is a wasteful number, since it uses less digits than its factorization.

11118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131.

The product of its digits is 8, while the sum is 12.

The square root of 11118 is about 105.4419271448. The cubic root of 11118 is about 22.3190423659.

Adding to 11118 its reverse (81111), we get a palindrome (92229).

It can be divided in two parts, 1111 and 8, that multiplied together give a palindrome (8888).

The spelling of 11118 in words is "eleven thousand, one hundred eighteen".