11143132 has 96 divisors (see below), whose sum is σ = 27546624. Its totient is φ = 3833280.

The previous prime is 11143127. The next prime is 11143147. The reversal of 11143132 is 23134111.

11143132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 11.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 484473 + ... + 484495.

It is an arithmetic number, because the mean of its divisors is an integer number (286944).

Almost surely, 2^11143132 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 11143132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13773312).

11143132 is an abundant number, since it is smaller than the sum of its proper divisors (16403492).

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

11143132 is a wasteful number, since it uses less digits than its factorization.

11143132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 56 counting only the distinct ones).

The product of its digits is 72, while the sum is 16.

The square root of 11143132 is about 3338.1330111306. The cubic root of 11143132 is about 223.3584694859.

Adding to 11143132 its reverse (23134111), we get a palindrome (34277243).

The spelling of 11143132 in words is "eleven million, one hundred forty-three thousand, one hundred thirty-two".