11123133203 has 16 divisors (see below), whose sum is σ = 13774016256. Its totient is φ = 8746716960.

The previous prime is 11123133173. The next prime is 11123133227. The reversal of 11123133203 is 30233132111.

It is a cyclic number.

It is not a de Polignac number, because 11123133203 - 2⁸ = 11123132947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11123133283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360113 + ... + 389778.

It is an arithmetic number, because the mean of its divisors is an integer number (860876016).

Almost surely, 2^11123133203 is an apocalyptic number.

11123133203 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11123133203 is a deficient number, since it is larger than the sum of its proper divisors (2650883053).

11123133203 is a wasteful number, since it uses less digits than its factorization.

11123133203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750074.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 11123133203 its reverse (30233132111), we get a palindrome (41356265314).

The spelling of 11123133203 in words is "eleven billion, one hundred twenty-three million, one hundred thirty-three thousand, two hundred three".