11243118 has 16 divisors (see below), whose sum is σ = 22710096. Its totient is φ = 3710400.

The previous prime is 11243107. The next prime is 11243119. The reversal of 11243118 is 81134211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11243094 and 11243103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243119) 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, 8671 + ... + 9882.

It is an arithmetic number, because the mean of its divisors is an integer number (1419381).

Almost surely, 2^11243118 is an apocalyptic number.

11243118 is an abundant number, since it is smaller than the sum of its proper divisors (11466978).

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

11243118 is a wasteful number, since it uses less digits than its factorization.

11243118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18659.

The product of its digits is 192, while the sum is 21.

The square root of 11243118 is about 3353.0759013181. The cubic root of 11243118 is about 224.0245375968.

Adding to 11243118 its reverse (81134211), we get a palindrome (92377329).

The spelling of 11243118 in words is "eleven million, two hundred forty-three thousand, one hundred eighteen".