10855811 has 2 divisors, whose sum is σ = 10855812. Its totient is φ = 10855810.

The previous prime is 10855799. The next prime is 10855841. The reversal of 10855811 is 11855801.

10855811 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10855811 - 2¹⁴ = 10839427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10855841) 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 as a sum of consecutive naturals, namely, 5427905 + 5427906.

It is an arithmetic number, because the mean of its divisors is an integer number (5427906).

Almost surely, 2^10855811 is an apocalyptic number.

10855811 is a deficient number, since it is larger than the sum of its proper divisors (1).

10855811 is an equidigital number, since it uses as much as digits as its factorization.

10855811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1600, while the sum is 29.

The square root of 10855811 is about 3294.8157763371. The cubic root of 10855811 is about 221.4219942152.

The spelling of 10855811 in words is "ten million, eight hundred fifty-five thousand, eight hundred eleven".