11003213133 has 24 divisors (see below), whose sum is σ = 18092243520. Its totient is φ = 6378672960.

The previous prime is 11003213119. The next prime is 11003213153. The reversal of 11003213133 is 33131230011.

It is a happy number.

It is not a de Polignac number, because 11003213133 - 2²⁴ = 10986435917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11003213113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2413888 + ... + 2418441.

It is an arithmetic number, because the mean of its divisors is an integer number (753843480).

Almost surely, 2^11003213133 is an apocalyptic number.

It is an amenable number.

11003213133 is a deficient number, since it is larger than the sum of its proper divisors (7089030387).

11003213133 is a wasteful number, since it uses less digits than its factorization.

11003213133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832369 (or 4832366 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 11003213133 its reverse (33131230011), we get a palindrome (44134443144).

The spelling of 11003213133 in words is "eleven billion, three million, two hundred thirteen thousand, one hundred thirty-three".