11318 has 4 divisors (see below), whose sum is σ = 16980. Its totient is φ = 5658.

The previous prime is 11317. The next prime is 11321. The reversal of 11318 is 81311.

11318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81311 = 17 ⋅4783.

It is a Curzon number.

It is a plaindrome in base 7.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311) 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 as a sum of consecutive naturals, namely, 2828 + ... + 2831.

It is an arithmetic number, because the mean of its divisors is an integer number (4245).

2¹¹³¹⁸ is an apocalyptic number.

11318 is a deficient number, since it is larger than the sum of its proper divisors (5662).

11318 is an equidigital number, since it uses as much as digits as its factorization.

11318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5661.

The product of its digits is 24, while the sum is 14.

The square root of 11318 is about 106.3860893162. The cubic root of 11318 is about 22.4520790795.

Adding to 11318 its reverse (81311), we get a palindrome (92629).

It can be divided in two parts, 113 and 18, that added together give a palindrome (131).

The spelling of 11318 in words is "eleven thousand, three hundred eighteen".