855000084811 has 2 divisors, whose sum is σ = 855000084812. Its totient is φ = 855000084810.

The previous prime is 855000084769. The next prime is 855000084823. The reversal of 855000084811 is 118480000558.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 855000084811 - 2⁹ = 855000084299 is a prime.

It is not a weakly prime, because it can be changed into another prime (855000084871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427500042405 + 427500042406.

It is an arithmetic number, because the mean of its divisors is an integer number (427500042406).

Almost surely, 2^855000084811 is an apocalyptic number.

855000084811 is a deficient number, since it is larger than the sum of its proper divisors (1).

855000084811 is an equidigital number, since it uses as much as digits as its factorization.

855000084811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51200, while the sum is 40.

The spelling of 855000084811 in words is "eight hundred fifty-five billion, eighty-four thousand, eight hundred eleven".