11814559 has 2 divisors, whose sum is σ = 11814560. Its totient is φ = 11814558.

The previous prime is 11814553. The next prime is 11814563. The reversal of 11814559 is 95541811.

11814559 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 (95541811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11814559 - 2¹⁹ = 11290271 is a prime.

It is equal to p₇₇₆₆₇₁ and since 11814559 and 776671 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11814553) 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, 5907279 + 5907280.

It is an arithmetic number, because the mean of its divisors is an integer number (5907280).

Almost surely, 2^11814559 is an apocalyptic number.

11814559 is a deficient number, since it is larger than the sum of its proper divisors (1).

11814559 is an equidigital number, since it uses as much as digits as its factorization.

11814559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 34.

The square root of 11814559 is about 3437.2312985890. The cubic root of 11814559 is about 227.7574045805.

The spelling of 11814559 in words is "eleven million, eight hundred fourteen thousand, five hundred fifty-nine".