11191039 has 2 divisors, whose sum is σ = 11191040. Its totient is φ = 11191038.

The previous prime is 11191027. The next prime is 11191043. The reversal of 11191039 is 93019111.

11191039 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (93019111) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11191039 - 2⁷ = 11190911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11191009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5595519 + 5595520.

It is an arithmetic number, because the mean of its divisors is an integer number (5595520).

Almost surely, 2^11191039 is an apocalyptic number.

11191039 is a deficient number, since it is larger than the sum of its proper divisors (1).

11191039 is an equidigital number, since it uses as much as digits as its factorization.

11191039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 243, while the sum is 25.

The square root of 11191039 is about 3345.3010327921. The cubic root of 11191039 is about 223.6781024263.

The spelling of 11191039 in words is "eleven million, one hundred ninety-one thousand, thirty-nine".