11113644 has 24 divisors (see below), whose sum is σ = 25987248. Its totient is φ = 3696640.

The previous prime is 11113639. The next prime is 11113657. The reversal of 11113644 is 44631111.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11113644.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8524 + ... + 9740.

It is an arithmetic number, because the mean of its divisors is an integer number (1082802).

Almost surely, 2^11113644 is an apocalyptic number.

It is an amenable number.

11113644 is an abundant number, since it is smaller than the sum of its proper divisors (14873604).

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

11113644 is a wasteful number, since it uses less digits than its factorization.

11113644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1983 counting only the distinct ones).

The product of its digits is 288, while the sum is 21.

The square root of 11113644 is about 3333.7132450167. The cubic root of 11113644 is about 223.1612713986.

Adding to 11113644 its reverse (44631111), we get a palindrome (55744755).

The spelling of 11113644 in words is "eleven million, one hundred thirteen thousand, six hundred forty-four".