11243255 has 4 divisors (see below), whose sum is σ = 13491912. Its totient is φ = 8994600.

The previous prime is 11243237. The next prime is 11243291. The reversal of 11243255 is 55234211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55234211 = 1723 ⋅32057.

It is not a de Polignac number, because 11243255 - 2⁶ = 11243191 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 11243255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1124321 + ... + 1124330.

It is an arithmetic number, because the mean of its divisors is an integer number (3372978).

Almost surely, 2^11243255 is an apocalyptic number.

11243255 is a deficient number, since it is larger than the sum of its proper divisors (2248657).

11243255 is an equidigital number, since it uses as much as digits as its factorization.

11243255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2248656.

The product of its digits is 1200, while the sum is 23.

The square root of 11243255 is about 3353.0963302595. The cubic root of 11243255 is about 224.0254475235.

Adding to 11243255 its reverse (55234211), we get a palindrome (66477466).

The spelling of 11243255 in words is "eleven million, two hundred forty-three thousand, two hundred fifty-five".