11133191 has 2 divisors, whose sum is σ = 11133192. Its totient is φ = 11133190.

The previous prime is 11133179. The next prime is 11133193. The reversal of 11133191 is 19133111.

It is a strong prime.

It is an emirp because it is prime and its reverse (19133111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11133191 - 2¹⁰ = 11132167 is a prime.

It is a Sophie Germain prime.

Together with 11133193, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11133193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566595 + 5566596.

It is an arithmetic number, because the mean of its divisors is an integer number (5566596).

Almost surely, 2^11133191 is an apocalyptic number.

11133191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11133191 is an equidigital number, since it uses as much as digits as its factorization.

11133191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81, while the sum is 20.

The square root of 11133191 is about 3336.6436729144. The cubic root of 11133191 is about 223.2920289447.

The spelling of 11133191 in words is "eleven million, one hundred thirty-three thousand, one hundred ninety-one".