11232331320 has 128 divisors (see below), whose sum is σ = 38626099200. Its totient is φ = 2559707136.

The previous prime is 11232331309. The next prime is 11232331349. The reversal of 11232331320 is 2313323211.

It is a Harshad number since it is a multiple of its sum of digits (21).

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, 263241 + ... + 302919.

It is an arithmetic number, because the mean of its divisors is an integer number (301766400).

Almost surely, 2^11232331320 is an apocalyptic number.

11232331320 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 11232331320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19313049600).

11232331320 is an abundant number, since it is smaller than the sum of its proper divisors (27393767880).

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

11232331320 is a wasteful number, since it uses less digits than its factorization.

11232331320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40037 (or 40033 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11232331320 its reverse (2313323211), we get a palindrome (13545654531).

The spelling of 11232331320 in words is "eleven billion, two hundred thirty-two million, three hundred thirty-one thousand, three hundred twenty".