11255559 has 16 divisors (see below), whose sum is σ = 17395200. Its totient is φ = 6340320.

The previous prime is 11255549. The next prime is 11255561. The reversal of 11255559 is 95555211.

It is not a de Polignac number, because 11255559 - 2⁵ = 11255527 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2284 + ... + 5265.

It is an arithmetic number, because the mean of its divisors is an integer number (1087200).

Almost surely, 2^11255559 is an apocalyptic number.

11255559 is a deficient number, since it is larger than the sum of its proper divisors (6139641).

11255559 is an equidigital number, since it uses as much as digits as its factorization.

11255559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7630.

The product of its digits is 11250, while the sum is 33.

The square root of 11255559 is about 3354.9305506970. The cubic root of 11255559 is about 224.1071381083.

The spelling of 11255559 in words is "eleven million, two hundred fifty-five thousand, five hundred fifty-nine".