11321003232 has 480 divisors, whose sum is σ = 41923816704. Its totient is φ = 2911334400.

The previous prime is 11321003227. The next prime is 11321003297. The reversal of 11321003232 is 23230012311.

It is a super-2 number, since 2×11321003232² (a number of 21 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 26145288 + ... + 26145720.

Almost surely, 2^11321003232 is an apocalyptic number.

11321003232 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 11321003232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20961908352).

11321003232 is an abundant number, since it is smaller than the sum of its proper divisors (30602813472).

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

11321003232 is a wasteful number, since it uses less digits than its factorization.

11321003232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 587 counting only the distinct ones).

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

Adding to 11321003232 its reverse (23230012311), we get a palindrome (34551015543).

The spelling of 11321003232 in words is "eleven billion, three hundred twenty-one million, three thousand, two hundred thirty-two".