11103232320 has 336 divisors, whose sum is σ = 40586466960. Its totient is φ = 2780725248.

The previous prime is 11103232303. The next prime is 11103232373. The reversal of 11103232320 is 2323230111.

11103232320 is a `hidden beast` number, since 1 + 110 + 3 + 232 + 320 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 63107136 + 11040125184 = 7944^2 + 105072^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 11103232293 and 11103232302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3088444 + ... + 3092036.

Almost surely, 2^11103232320 is an apocalyptic number.

11103232320 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 11103232320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20293233480).

11103232320 is an abundant number, since it is smaller than the sum of its proper divisors (29483234640).

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

11103232320 is a wasteful number, since it uses less digits than its factorization.

11103232320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3682 (or 3669 counting only the distinct ones).

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

Adding to 11103232320 its reverse (2323230111), we get a palindrome (13426462431).

The spelling of 11103232320 in words is "eleven billion, one hundred three million, two hundred thirty-two thousand, three hundred twenty".