11255905 has 8 divisors (see below), whose sum is σ = 13564584. Its totient is φ = 8966400.

The previous prime is 11255897. The next prime is 11255911. The reversal of 11255905 is 50955211.

It can be written as a sum of positive squares in 4 ways, for example, as 1327104 + 9928801 = 1152^2 + 3151^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11255905 - 2³ = 11255897 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3466 + ... + 5875.

It is an arithmetic number, because the mean of its divisors is an integer number (1695573).

Almost surely, 2^11255905 is an apocalyptic number.

It is an amenable number.

11255905 is a deficient number, since it is larger than the sum of its proper divisors (2308679).

11255905 is an equidigital number, since it uses as much as digits as its factorization.

11255905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9587.

The product of its (nonzero) digits is 2250, while the sum is 28.

The square root of 11255905 is about 3354.9821161967. The cubic root of 11255905 is about 224.1094344632.

The spelling of 11255905 in words is "eleven million, two hundred fifty-five thousand, nine hundred five".