11130391 has 2 divisors, whose sum is σ = 11130392. Its totient is φ = 11130390.

The previous prime is 11130347. The next prime is 11130397. The reversal of 11130391 is 19303111.

It is a happy number.

11130391 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 a cyclic number.

It is not a de Polignac number, because 11130391 - 2⁷ = 11130263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11130397) 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, 5565195 + 5565196.

It is an arithmetic number, because the mean of its divisors is an integer number (5565196).

Almost surely, 2^11130391 is an apocalyptic number.

11130391 is a deficient number, since it is larger than the sum of its proper divisors (1).

11130391 is an equidigital number, since it uses as much as digits as its factorization.

11130391 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 11130391 is about 3336.2240632188. The cubic root of 11130391 is about 223.2733080436.

The spelling of 11130391 in words is "eleven million, one hundred thirty thousand, three hundred ninety-one".