11131333203 has 8 divisors (see below), whose sum is σ = 14850520000. Its totient is φ = 7416517608.

The previous prime is 11131333163. The next prime is 11131333223. The reversal of 11131333203 is 30233313111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11131333203 - 2⁹ = 11131332691 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11131333203.

It is not an unprimeable number, because it can be changed into a prime (11131333223) 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 7 ways as a sum of consecutive naturals, for example, 1086853 + ... + 1097046.

It is an arithmetic number, because the mean of its divisors is an integer number (1856315000).

Almost surely, 2^11131333203 is an apocalyptic number.

11131333203 is a deficient number, since it is larger than the sum of its proper divisors (3719186797).

11131333203 is a wasteful number, since it uses less digits than its factorization.

11131333203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2185601.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 11131333203 its reverse (30233313111), we get a palindrome (41364646314).

The spelling of 11131333203 in words is "eleven billion, one hundred thirty-one million, three hundred thirty-three thousand, two hundred three".