11255405 has 16 divisors (see below), whose sum is σ = 15496704. Its totient is φ = 7687680.

The previous prime is 11255399. The next prime is 11255459. The reversal of 11255405 is 50455211.

It is a happy number.

It is not a de Polignac number, because 11255405 - 2⁸ = 11255149 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11900 + ... + 12810.

It is an arithmetic number, because the mean of its divisors is an integer number (968544).

Almost surely, 2^11255405 is an apocalyptic number.

It is an amenable number.

11255405 is a deficient number, since it is larger than the sum of its proper divisors (4241299).

11255405 is an equidigital number, since it uses as much as digits as its factorization.

11255405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1276.

The product of its (nonzero) digits is 1000, while the sum is 23.

The square root of 11255405 is about 3354.9075993237. The cubic root of 11255405 is about 224.1061160161.

The spelling of 11255405 in words is "eleven million, two hundred fifty-five thousand, four hundred five".