11330509 has 2 divisors, whose sum is σ = 11330510. Its totient is φ = 11330508.

The previous prime is 11330491. The next prime is 11330519. The reversal of 11330509 is 90503311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10745284 + 585225 = 3278^2 + 765^2 .

It is a cyclic number.

It is not a de Polignac number, because 11330509 - 2¹¹ = 11328461 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11330509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11330519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665254 + 5665255.

It is an arithmetic number, because the mean of its divisors is an integer number (5665255).

Almost surely, 2^11330509 is an apocalyptic number.

It is an amenable number.

11330509 is a deficient number, since it is larger than the sum of its proper divisors (1).

11330509 is an equidigital number, since it uses as much as digits as its factorization.

11330509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 405, while the sum is 22.

The square root of 11330509 is about 3366.0821439769. The cubic root of 11330509 is about 224.6034760907.

The spelling of 11330509 in words is "eleven million, three hundred thirty thousand, five hundred nine".