11289559 has 2 divisors, whose sum is σ = 11289560. Its totient is φ = 11289558.

The previous prime is 11289517. The next prime is 11289569. The reversal of 11289559 is 95598211.

It is a strong prime.

It is an emirp because it is prime and its reverse (95598211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11289559 - 2¹¹ = 11287511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11289569) 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, 5644779 + 5644780.

It is an arithmetic number, because the mean of its divisors is an integer number (5644780).

Almost surely, 2^11289559 is an apocalyptic number.

11289559 is a deficient number, since it is larger than the sum of its proper divisors (1).

11289559 is an equidigital number, since it uses as much as digits as its factorization.

11289559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32400, while the sum is 40.

The square root of 11289559 is about 3359.9938988040. The cubic root of 11289559 is about 224.3325669609.

The spelling of 11289559 in words is "eleven million, two hundred eighty-nine thousand, five hundred fifty-nine".