11055239 has 4 divisors (see below), whose sum is σ = 11905656. Its totient is φ = 10204824.

The previous prime is 11055229. The next prime is 11055263. The reversal of 11055239 is 93255011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11055239 - 2²⁰ = 10006663 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 (11055229) 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, 425189 + ... + 425214.

It is an arithmetic number, because the mean of its divisors is an integer number (2976414).

Almost surely, 2^11055239 is an apocalyptic number.

11055239 is a deficient number, since it is larger than the sum of its proper divisors (850417).

11055239 is an equidigital number, since it uses as much as digits as its factorization.

11055239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850416.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 11055239 is about 3324.9419543806. The cubic root of 11055239 is about 222.7696616859.

The spelling of 11055239 in words is "eleven million, fifty-five thousand, two hundred thirty-nine".