11133033331 has 4 divisors (see below), whose sum is σ = 12723466672. Its totient is φ = 9542599992.

The previous prime is 11133033313. The next prime is 11133033391. The reversal of 11133033331 is 13333033111.

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

It is a cyclic number.

It is not a de Polignac number, because 11133033331 - 2¹⁵ = 11133000563 is a prime.

It is a super-2 number, since 2×11133033331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11133033391) 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, 795216660 + ... + 795216673.

It is an arithmetic number, because the mean of its divisors is an integer number (3180866668).

Almost surely, 2^11133033331 is an apocalyptic number.

11133033331 is a deficient number, since it is larger than the sum of its proper divisors (1590433341).

11133033331 is an equidigital number, since it uses as much as digits as its factorization.

11133033331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1590433340.

The product of its (nonzero) digits is 729, while the sum is 22.

Adding to 11133033331 its reverse (13333033111), we get a palindrome (24466066442).

The spelling of 11133033331 in words is "eleven billion, one hundred thirty-three million, thirty-three thousand, three hundred thirty-one".