11255 has 4 divisors (see below), whose sum is σ = 13512.
Its totient is φ = 9000.
The previous prime is 11251. The next prime is 11257. The reversal of 11255 is 55211.
11255 = T31 + T32 + ... +
11255 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 11255 - 22 = 11251 is a prime.
It is a Duffinian number.
11255 is strictly pandigital in base 6.
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 (11251) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1121 + ... + 1130.
It is an arithmetic number, because the mean of its divisors is an integer number (3378).
211255 is an apocalyptic number.
11255 is a deficient number, since it is larger than the sum of its proper divisors (2257).
11255 is an equidigital number, since it uses as much as digits as its factorization.
11255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2256.
The product of its digits is 50, while the sum is 14.
The square root of 11255 is about 106.0895847857.
The cubic root of 11255 is about 22.4103428002.
Adding to 11255 its reverse (55211), we get a palindrome (66466).
Subtracting 11255 from its reverse (55211), we obtain a triangular number (43956 = T296).
It can be divided in two parts, 1125 and 5, that multiplied together give a square (5625 = 752).
The spelling of 11255 in words is "eleven thousand, two hundred fifty-five".