11331443000 has 64 divisors (see below), whose sum is σ = 26789162400. Its totient is φ = 4485811200.

The previous prime is 11331442999. The next prime is 11331443027. The reversal of 11331443000 is 34413311.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38591 + ... + 155409.

Almost surely, 2^11331443000 is an apocalyptic number.

11331443000 is a gapful number since it is divisible by the number (10) 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 11331443000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13394581200).

11331443000 is an abundant number, since it is smaller than the sum of its proper divisors (15457719400).

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

11331443000 is a wasteful number, since it uses less digits than its factorization.

11331443000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116937 (or 116923 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 11331443000 its reverse (34413311), we get a palindrome (11365856311).

The spelling of 11331443000 in words is "eleven billion, three hundred thirty-one million, four hundred forty-three thousand".