11309279 has 2 divisors, whose sum is σ = 11309280. Its totient is φ = 11309278.

The previous prime is 11309239. The next prime is 11309293. The reversal of 11309279 is 97290311.

It is a happy number.

11309279 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 (97290311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11309279 - 2¹² = 11305183 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11309219) 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, 5654639 + 5654640.

It is an arithmetic number, because the mean of its divisors is an integer number (5654640).

Almost surely, 2^11309279 is an apocalyptic number.

11309279 is a deficient number, since it is larger than the sum of its proper divisors (1).

11309279 is an equidigital number, since it uses as much as digits as its factorization.

11309279 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 11309279 is about 3362.9271475903. The cubic root of 11309279 is about 224.4631083736.

The spelling of 11309279 in words is "eleven million, three hundred nine thousand, two hundred seventy-nine".