11133372013 has 4 divisors (see below), whose sum is σ = 11133787228. Its totient is φ = 11132956800.

The previous prime is 11133372001. The next prime is 11133372017. The reversal of 11133372013 is 31027333111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1247643684 + 9885728329 = 35322^2 + 99427^2 .

It is a cyclic number.

It is not a de Polignac number, because 11133372013 - 2²⁵ = 11099817581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11133372017) 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 3 ways as a sum of consecutive naturals, for example, 164388 + ... + 222013.

It is an arithmetic number, because the mean of its divisors is an integer number (2783446807).

Almost surely, 2^11133372013 is an apocalyptic number.

It is an amenable number.

11133372013 is a deficient number, since it is larger than the sum of its proper divisors (415215).

11133372013 is an equidigital number, since it uses as much as digits as its factorization.

11133372013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415214.

The product of its (nonzero) digits is 1134, while the sum is 25.

The spelling of 11133372013 in words is "eleven billion, one hundred thirty-three million, three hundred seventy-two thousand, thirteen".