11287559 has 2 divisors, whose sum is σ = 11287560. Its totient is φ = 11287558.

The previous prime is 11287531. The next prime is 11287579. The reversal of 11287559 is 95578211.

11287559 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 (95578211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11287559 - 2¹² = 11283463 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 (11287519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5643779 + 5643780.

It is an arithmetic number, because the mean of its divisors is an integer number (5643780).

Almost surely, 2^11287559 is an apocalyptic number.

11287559 is a deficient number, since it is larger than the sum of its proper divisors (1).

11287559 is an equidigital number, since it uses as much as digits as its factorization.

11287559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25200, while the sum is 38.

The square root of 11287559 is about 3359.6962660336. The cubic root of 11287559 is about 224.3193189787.

The spelling of 11287559 in words is "eleven million, two hundred eighty-seven thousand, five hundred fifty-nine".