11394191 has 2 divisors, whose sum is σ = 11394192. Its totient is φ = 11394190.

The previous prime is 11394181. The next prime is 11394193. The reversal of 11394191 is 19149311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11394191 - 2¹⁰ = 11393167 is a prime.

It is a Sophie Germain prime.

Together with 11394193, 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 (11394193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5697095 + 5697096.

It is an arithmetic number, because the mean of its divisors is an integer number (5697096).

Almost surely, 2^11394191 is an apocalyptic number.

11394191 is a deficient number, since it is larger than the sum of its proper divisors (1).

11394191 is an equidigital number, since it uses as much as digits as its factorization.

11394191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972, while the sum is 29.

The square root of 11394191 is about 3375.5282549551. The cubic root of 11394191 is about 225.0234773856.

The spelling of 11394191 in words is "eleven million, three hundred ninety-four thousand, one hundred ninety-one".