11391119 has 2 divisors, whose sum is σ = 11391120. Its totient is φ = 11391118.

The previous prime is 11391101. The next prime is 11391151. The reversal of 11391119 is 91119311.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11391119 - 2²⁰ = 10342543 is a prime.

It is a super-2 number, since 2×11391119² = 259515184144322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11391019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5695559 + 5695560.

It is an arithmetic number, because the mean of its divisors is an integer number (5695560).

Almost surely, 2^11391119 is an apocalyptic number.

11391119 is a deficient number, since it is larger than the sum of its proper divisors (1).

11391119 is an equidigital number, since it uses as much as digits as its factorization.

11391119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 243, while the sum is 26.

The square root of 11391119 is about 3375.0731843917. The cubic root of 11391119 is about 225.0032526279.

The spelling of 11391119 in words is "eleven million, three hundred ninety-one thousand, one hundred nineteen".