11132144 has 20 divisors (see below), whose sum is σ = 22837824. Its totient is φ = 5238528.

The previous prime is 11132123. The next prime is 11132159. The reversal of 11132144 is 44123111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20192 + ... + 20735.

Almost surely, 2^11132144 is an apocalyptic number.

It is an amenable number.

11132144 is an abundant number, since it is smaller than the sum of its proper divisors (11705680).

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

11132144 is a wasteful number, since it uses less digits than its factorization.

11132144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40952 (or 40946 counting only the distinct ones).

The product of its digits is 96, while the sum is 17.

The square root of 11132144 is about 3336.4867750375. The cubic root of 11132144 is about 223.2850290323.

Adding to 11132144 its reverse (44123111), we get a palindrome (55255255).

The spelling of 11132144 in words is "eleven million, one hundred thirty-two thousand, one hundred forty-four".