11255539 has 4 divisors (see below), whose sum is σ = 11275624. Its totient is φ = 11235456.

The previous prime is 11255527. The next prime is 11255549. The reversal of 11255539 is 93555211.

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 11255539 - 2⁵ = 11255507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11255539.

It is not an unprimeable number, because it can be changed into a prime (11255549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9177 + ... + 10330.

It is an arithmetic number, because the mean of its divisors is an integer number (2818906).

Almost surely, 2^11255539 is an apocalyptic number.

11255539 is a deficient number, since it is larger than the sum of its proper divisors (20085).

11255539 is an equidigital number, since it uses as much as digits as its factorization.

11255539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20084.

The product of its digits is 6750, while the sum is 31.

The square root of 11255539 is about 3354.9275700080. The cubic root of 11255539 is about 224.1070053696.

The spelling of 11255539 in words is "eleven million, two hundred fifty-five thousand, five hundred thirty-nine".