11543488 has 56 divisors (see below), whose sum is σ = 26334720. Its totient is φ = 4965120.

The previous prime is 11543443. The next prime is 11543491. The reversal of 11543488 is 88434511.

It is a super-2 number, since 2×11543488² = 266504230412288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12945 + ... + 13807.

Almost surely, 2^11543488 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 11543488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13167360).

11543488 is an abundant number, since it is smaller than the sum of its proper divisors (14791232).

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

11543488 is a wasteful number, since it uses less digits than its factorization.

11543488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 895 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 11543488 is about 3397.5708969792. The cubic root of 11543488 is about 226.0020361630.

Adding to 11543488 its reverse (88434511), we get a palindrome (99977999).

The spelling of 11543488 in words is "eleven million, five hundred forty-three thousand, four hundred eighty-eight".