11403133203 has 16 divisors (see below), whose sum is σ = 18955858176. Its totient is φ = 5923705440.

The previous prime is 11403133199. The next prime is 11403133219. The reversal of 11403133203 is 30233130411.

It is not a de Polignac number, because 11403133203 - 2² = 11403133199 is a prime.

It is a super-2 number, since 2×11403133203² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 11403133203.

It is not an unprimeable number, because it can be changed into a prime (11403133243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24681876 + ... + 24682337.

It is an arithmetic number, because the mean of its divisors is an integer number (1184741136).

Almost surely, 2^11403133203 is an apocalyptic number.

11403133203 is a deficient number, since it is larger than the sum of its proper divisors (7552724973).

11403133203 is a wasteful number, since it uses less digits than its factorization.

11403133203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49364234.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 11403133203 its reverse (30233130411), we get a palindrome (41636263614).

The spelling of 11403133203 in words is "eleven billion, four hundred three million, one hundred thirty-three thousand, two hundred three".