11504322203 has 12 divisors (see below), whose sum is σ = 12695659704. Its totient is φ = 10416780000.

The previous prime is 11504322187. The next prime is 11504322259. The reversal of 11504322203 is 30222340511.

It is not a de Polignac number, because 11504322203 - 2⁴ = 11504322187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11504322803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 159026 + ... + 219767.

It is an arithmetic number, because the mean of its divisors is an integer number (1057971642).

Almost surely, 2^11504322203 is an apocalyptic number.

11504322203 is a deficient number, since it is larger than the sum of its proper divisors (1191337501).

11504322203 is a wasteful number, since it uses less digits than its factorization.

11504322203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379066 (or 379055 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

Adding to 11504322203 its reverse (30222340511), we get a palindrome (41726662714).

The spelling of 11504322203 in words is "eleven billion, five hundred four million, three hundred twenty-two thousand, two hundred three".