11242559 has 4 divisors (see below), whose sum is σ = 11903904. Its totient is φ = 10581216.

The previous prime is 11242549. The next prime is 11242589. The reversal of 11242559 is 95524211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 95524211 = 113 ⋅845347.

It is a cyclic number.

It is not a de Polignac number, because 11242559 - 2⁸ = 11242303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11242549) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 330647 + ... + 330680.

It is an arithmetic number, because the mean of its divisors is an integer number (2975976).

Almost surely, 2^11242559 is an apocalyptic number.

11242559 is a deficient number, since it is larger than the sum of its proper divisors (661345).

11242559 is an equidigital number, since it uses as much as digits as its factorization.

11242559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661344.

The product of its digits is 3600, while the sum is 29.

The square root of 11242559 is about 3352.9925439822. The cubic root of 11242559 is about 224.0208247540.

The spelling of 11242559 in words is "eleven million, two hundred forty-two thousand, five hundred fifty-nine".