11243191 has 2 divisors, whose sum is σ = 11243192. Its totient is φ = 11243190.

The previous prime is 11243189. The next prime is 11243233. The reversal of 11243191 is 19134211.

It is a weak prime.

It is an emirp because it is prime and its reverse (19134211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11243191 - 2¹ = 11243189 is a prime.

Together with 11243189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11243101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5621595 + 5621596.

It is an arithmetic number, because the mean of its divisors is an integer number (5621596).

Almost surely, 2^11243191 is an apocalyptic number.

11243191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11243191 is an equidigital number, since it uses as much as digits as its factorization.

11243191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 22.

The square root of 11243191 is about 3353.0867868279. The cubic root of 11243191 is about 224.0250224492.

The spelling of 11243191 in words is "eleven million, two hundred forty-three thousand, one hundred ninety-one".