2855111 has 8 divisors (see below), whose sum is σ = 3434880. Its totient is φ = 2318328.

The previous prime is 2855107. The next prime is 2855113. The reversal of 2855111 is 1115582.

2855111 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 a cyclic number.

It is not a de Polignac number, because 2855111 - 2² = 2855107 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855113) 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, 10601 + ... + 10866.

It is an arithmetic number, because the mean of its divisors is an integer number (429360).

2^2855111 is an apocalyptic number.

2855111 is a deficient number, since it is larger than the sum of its proper divisors (579769).

2855111 is a wasteful number, since it uses less digits than its factorization.

2855111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21493.

The product of its digits is 400, while the sum is 23.

The square root of 2855111 is about 1689.7073711149. The cubic root of 2855111 is about 141.8646962185.

The spelling of 2855111 in words is "two million, eight hundred fifty-five thousand, one hundred eleven".