505506265711 has 2 divisors, whose sum is σ = 505506265712. Its totient is φ = 505506265710.

The previous prime is 505506265637. The next prime is 505506265721. The reversal of 505506265711 is 117562605505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505506265711 - 2¹¹ = 505506263663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505506265721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252753132855 + 252753132856.

It is an arithmetic number, because the mean of its divisors is an integer number (252753132856).

Almost surely, 2^505506265711 is an apocalyptic number.

505506265711 is a deficient number, since it is larger than the sum of its proper divisors (1).

505506265711 is an equidigital number, since it uses as much as digits as its factorization.

505506265711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 315000, while the sum is 43.

The spelling of 505506265711 in words is "five hundred five billion, five hundred six million, two hundred sixty-five thousand, seven hundred eleven".