11255215 has 16 divisors (see below), whose sum is σ = 14057568. Its totient is φ = 8643456.

The previous prime is 11255203. The next prime is 11255243. The reversal of 11255215 is 51255211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 11255215 - 2⁵ = 11255183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 14989 + ... + 15721.

It is an arithmetic number, because the mean of its divisors is an integer number (878598).

Almost surely, 2^11255215 is an apocalyptic number.

11255215 is a deficient number, since it is larger than the sum of its proper divisors (2802353).

11255215 is an equidigital number, since it uses as much as digits as its factorization.

11255215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858.

The product of its digits is 500, while the sum is 22.

The square root of 11255215 is about 3354.8792824780. The cubic root of 11255215 is about 224.1048549805.

The spelling of 11255215 in words is "eleven million, two hundred fifty-five thousand, two hundred fifteen".