6505973563711 has 2 divisors, whose sum is σ = 6505973563712. Its totient is φ = 6505973563710.

The previous prime is 6505973563603. The next prime is 6505973563721. The reversal of 6505973563711 is 1173653795056.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6505973563711 - 2¹¹ = 6505973561663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6505973563721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3252986781855 + 3252986781856.

It is an arithmetic number, because the mean of its divisors is an integer number (3252986781856).

Almost surely, 2^{6505973563711} is an apocalyptic number.

6505973563711 is a deficient number, since it is larger than the sum of its proper divisors (1).

6505973563711 is an equidigital number, since it uses as much as digits as its factorization.

6505973563711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17860500, while the sum is 58.

The spelling of 6505973563711 in words is "six trillion, five hundred five billion, nine hundred seventy-three million, five hundred sixty-three thousand, seven hundred eleven".