11133133 has 4 divisors (see below), whose sum is σ = 12145248. Its totient is φ = 10121020.

The previous prime is 11133119. The next prime is 11133137. The reversal of 11133133 is 33133111.

11133133 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33133111 = 11 ⋅3012101.

It is a cyclic number.

It is not a de Polignac number, because 11133133 - 2¹³ = 11124941 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 (11133137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506041 + ... + 506062.

It is an arithmetic number, because the mean of its divisors is an integer number (3036312).

Almost surely, 2^11133133 is an apocalyptic number.

It is an amenable number.

11133133 is a deficient number, since it is larger than the sum of its proper divisors (1012115).

11133133 is a wasteful number, since it uses less digits than its factorization.

11133133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012114.

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

The square root of 11133133 is about 3336.6349815345. The cubic root of 11133133 is about 223.2916411864.

Adding to 11133133 its reverse (33133111), we get a palindrome (44266244).

It can be divided in two parts, 111 and 33133, that multiplied together give a palindrome (3677763).

The spelling of 11133133 in words is "eleven million, one hundred thirty-three thousand, one hundred thirty-three".