11331133 has 16 divisors (see below), whose sum is σ = 12744576. Its totient is φ = 9987840.

The previous prime is 11331121. The next prime is 11331137. The reversal of 11331133 is 33113311.

11331133 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11331133 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331137) 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, 82641 + ... + 82777.

It is an arithmetic number, because the mean of its divisors is an integer number (796536).

Almost surely, 2^11331133 is an apocalyptic number.

It is an amenable number.

11331133 is a deficient number, since it is larger than the sum of its proper divisors (1413443).

11331133 is a wasteful number, since it uses less digits than its factorization.

11331133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324.

The product of its digits is 81, while the sum is 16.

The square root of 11331133 is about 3366.1748320609. The cubic root of 11331133 is about 224.6075991769.

Adding to 11331133 its reverse (33113311), we get a palindrome (44444444).

It can be divided in two parts, 11 and 331133, that multiplied together give a palindrome (3642463).

The spelling of 11331133 in words is "eleven million, three hundred thirty-one thousand, one hundred thirty-three".