505011305077 has 2 divisors, whose sum is σ = 505011305078. Its totient is φ = 505011305076.

The previous prime is 505011305027. The next prime is 505011305081. The reversal of 505011305077 is 770503110505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 392929639281 + 112081665796 = 626841^2 + 334786^2 .

It is a cyclic number.

It is not a de Polignac number, because 505011305077 - 2²³ = 505002916469 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505011305027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252505652538 + 252505652539.

It is an arithmetic number, because the mean of its divisors is an integer number (252505652539).

Almost surely, 2^505011305077 is an apocalyptic number.

It is an amenable number.

505011305077 is a deficient number, since it is larger than the sum of its proper divisors (1).

505011305077 is an equidigital number, since it uses as much as digits as its factorization.

505011305077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18375, while the sum is 34.

The spelling of 505011305077 in words is "five hundred five billion, eleven million, three hundred five thousand, seventy-seven".