8255809163711 has 2 divisors, whose sum is σ = 8255809163712. Its totient is φ = 8255809163710.

The previous prime is 8255809163647. The next prime is 8255809163729. The reversal of 8255809163711 is 1173619085528.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8255809163711 - 2⁶ = 8255809163647 is a prime.

It is a super-2 number, since 2×8255809163711² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8255809163741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4127904581855 + 4127904581856.

It is an arithmetic number, because the mean of its divisors is an integer number (4127904581856).

Almost surely, 2^{8255809163711} is an apocalyptic number.

8255809163711 is a deficient number, since it is larger than the sum of its proper divisors (1).

8255809163711 is an equidigital number, since it uses as much as digits as its factorization.

8255809163711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 56.

The spelling of 8255809163711 in words is "eight trillion, two hundred fifty-five billion, eight hundred nine million, one hundred sixty-three thousand, seven hundred eleven".