10855899 has 12 divisors (see below), whose sum is σ = 15828696. Its totient is φ = 7168992.

The previous prime is 10855879. The next prime is 10855913. The reversal of 10855899 is 99855801.

10855899 is a `hidden beast` number, since 1 + 0 + 8 + 558 + 99 = 666.

It is not a de Polignac number, because 10855899 - 2⁸ = 10855643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10855849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4674 + ... + 6599.

It is an arithmetic number, because the mean of its divisors is an integer number (1319058).

Almost surely, 2^10855899 is an apocalyptic number.

10855899 is a deficient number, since it is larger than the sum of its proper divisors (4972797).

10855899 is a wasteful number, since it uses less digits than its factorization.

10855899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11386 (or 11383 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 45.

The square root of 10855899 is about 3294.8291306227. The cubic root of 10855899 is about 221.4225925148.

The spelling of 10855899 in words is "ten million, eight hundred fifty-five thousand, eight hundred ninety-nine".