11143332 has 60 divisors (see below), whose sum is σ = 29448496. Its totient is φ = 3674160.

The previous prime is 11143309. The next prime is 11143333. The reversal of 11143332 is 23334111.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is not an unprimeable number, because it can be changed into a prime (11143333) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 52707 + ... + 52917.

Almost surely, 2^11143332 is an apocalyptic number.

11143332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11143332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14724248).

11143332 is an abundant number, since it is smaller than the sum of its proper divisors (18305164).

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

11143332 is a wasteful number, since it uses less digits than its factorization.

11143332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 379 counting only the distinct ones).

The product of its digits is 216, while the sum is 18.

The square root of 11143332 is about 3338.1629678612. The cubic root of 11143332 is about 223.3598057776.

Adding to 11143332 its reverse (23334111), we get a palindrome (34477443).

The spelling of 11143332 in words is "eleven million, one hundred forty-three thousand, three hundred thirty-two".