11544 has 32 divisors (see below), whose sum is σ = 31920. Its totient is φ = 3456.

The previous prime is 11527. The next prime is 11549. The reversal of 11544 is 44511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11549) by changing a digit.

11544 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294 + ... + 330.

2¹¹⁵⁴⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15960).

11544 is an abundant number, since it is smaller than the sum of its proper divisors (20376).

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

11544 is a wasteful number, since it uses less digits than its factorization.

11544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59 (or 55 counting only the distinct ones).

The product of its digits is 80, while the sum is 15.

The square root of 11544 is about 107.4430081485. The cubic root of 11544 is about 22.6005377479.

It can be divided in two parts, 11 and 544, that added together give a palindrome (555).

The spelling of 11544 in words is "eleven thousand, five hundred forty-four".