11003232320 has 112 divisors (see below), whose sum is σ = 28419936048. Its totient is φ = 4041277440.

The previous prime is 11003232301. The next prime is 11003232341. The reversal of 11003232320 is 2323230011.

It can be written as a sum of positive squares in 8 ways, for example, as 265298944 + 10737933376 = 16288^2 + 103624^2 .

It is a super-2 number, since 2×11003232320² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 198374 + ... + 247706.

It is an arithmetic number, because the mean of its divisors is an integer number (253749429).

Almost surely, 2^11003232320 is an apocalyptic number.

11003232320 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 11003232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14209968024).

11003232320 is an abundant number, since it is smaller than the sum of its proper divisors (17416703728).

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

11003232320 is a wasteful number, since it uses less digits than its factorization.

11003232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49408 (or 49398 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 11003232320 its reverse (2323230011), we get a palindrome (13326462331).

The spelling of 11003232320 in words is "eleven billion, three million, two hundred thirty-two thousand, three hundred twenty".