11285905 has 8 divisors (see below), whose sum is σ = 14256000. Its totient is φ = 8553456.

The previous prime is 11285903. The next prime is 11285921. The reversal of 11285905 is 50958211.

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

It is a cyclic number.

It is not a de Polignac number, because 11285905 - 2¹ = 11285903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11285903) 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 7 ways as a sum of consecutive naturals, for example, 59305 + ... + 59494.

It is an arithmetic number, because the mean of its divisors is an integer number (1782000).

Almost surely, 2^11285905 is an apocalyptic number.

It is an amenable number.

11285905 is a deficient number, since it is larger than the sum of its proper divisors (2970095).

11285905 is a wasteful number, since it uses less digits than its factorization.

11285905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118823.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 11285905 is about 3359.4501038116. The cubic root of 11285905 is about 224.3083617151.

The spelling of 11285905 in words is "eleven million, two hundred eighty-five thousand, nine hundred five".