11430091 has 4 divisors (see below), whose sum is σ = 11437384. Its totient is φ = 11422800.

The previous prime is 11430073. The next prime is 11430101. The reversal of 11430091 is 19003411.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 11430091 - 2⁵ = 11430059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11430491) 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 in 3 ways as a sum of consecutive naturals, for example, 225 + ... + 4786.

It is an arithmetic number, because the mean of its divisors is an integer number (2859346).

Almost surely, 2^11430091 is an apocalyptic number.

11430091 is a deficient number, since it is larger than the sum of its proper divisors (7293).

11430091 is an equidigital number, since it uses as much as digits as its factorization.

11430091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7292.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 11430091 is about 3380.8417590890. The cubic root of 11430091 is about 225.2595588952.

The spelling of 11430091 in words is "eleven million, four hundred thirty thousand, ninety-one".