11088239 has 4 divisors (see below), whose sum is σ = 11095560. Its totient is φ = 11080920.

The previous prime is 11088227. The next prime is 11088251. The reversal of 11088239 is 93288011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 93288011 = 8093 ⋅11527.

It is an interprime number because it is at equal distance from previous prime (11088227) and next prime (11088251).

It is a cyclic number.

It is not a de Polignac number, because 11088239 - 2⁸ = 11087983 is a prime.

It is a super-2 number, since 2×11088239² = 245898088242242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11088739) 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 in 3 ways as a sum of consecutive naturals, for example, 449 + ... + 4730.

It is an arithmetic number, because the mean of its divisors is an integer number (2773890).

Almost surely, 2^11088239 is an apocalyptic number.

11088239 is a deficient number, since it is larger than the sum of its proper divisors (7321).

11088239 is an equidigital number, since it uses as much as digits as its factorization.

11088239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7320.

The product of its (nonzero) digits is 3456, while the sum is 32.

The square root of 11088239 is about 3329.9007492717. The cubic root of 11088239 is about 222.9910980648.

The spelling of 11088239 in words is "eleven million, eighty-eight thousand, two hundred thirty-nine".