10855905 has 8 divisors (see below), whose sum is σ = 17369472. Its totient is φ = 5789808.

The previous prime is 10855879. The next prime is 10855913. The reversal of 10855905 is 50955801.

10855905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10855905 - 2⁶ = 10855841 is a prime.

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, 361849 + ... + 361878.

It is an arithmetic number, because the mean of its divisors is an integer number (2171184).

Almost surely, 2^10855905 is an apocalyptic number.

10855905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10855905 is a deficient number, since it is larger than the sum of its proper divisors (6513567).

10855905 is an equidigital number, since it uses as much as digits as its factorization.

10855905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723735.

The product of its (nonzero) digits is 9000, while the sum is 33.

The square root of 10855905 is about 3294.8300411402. The cubic root of 10855905 is about 221.4226333079.

The spelling of 10855905 in words is "ten million, eight hundred fifty-five thousand, nine hundred five".