11520203304 has 16 divisors (see below), whose sum is σ = 28800508320. Its totient is φ = 3840067760.

The previous prime is 11520203293. The next prime is 11520203309. The reversal of 11520203304 is 40330202511.

It is not an unprimeable number, because it can be changed into a prime (11520203309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 240004212 + ... + 240004259.

It is an arithmetic number, because the mean of its divisors is an integer number (1800031770).

Almost surely, 2^11520203304 is an apocalyptic number.

It is an amenable number.

11520203304 is an abundant number, since it is smaller than the sum of its proper divisors (17280305016).

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

11520203304 is a wasteful number, since it uses less digits than its factorization.

11520203304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480008480 (or 480008476 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 11520203304 its reverse (40330202511), we get a palindrome (51850405815).

The spelling of 11520203304 in words is "eleven billion, five hundred twenty million, two hundred three thousand, three hundred four".