855796511 has 12 divisors (see below), whose sum is σ = 873873000. Its totient is φ = 838081440.

The previous prime is 855796457. The next prime is 855796531. The reversal of 855796511 is 115697558.

855796511 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-855796511 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 (855796531) 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, 1298300 + ... + 1298958.

It is an arithmetic number, because the mean of its divisors is an integer number (72822750).

Almost surely, 2^855796511 is an apocalyptic number.

855796511 is a deficient number, since it is larger than the sum of its proper divisors (18076489).

855796511 is an equidigital number, since it uses as much as digits as its factorization.

855796511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1069 counting only the distinct ones).

The product of its digits is 378000, while the sum is 47.

The square root of 855796511 is about 29253.9999145416. Note that the first 4 decimals coincide. The cubic root of 855796511 is about 949.4166357540.

The spelling of 855796511 in words is "eight hundred fifty-five million, seven hundred ninety-six thousand, five hundred eleven".