505996769011 has 2 divisors, whose sum is σ = 505996769012. Its totient is φ = 505996769010.

The previous prime is 505996768861. The next prime is 505996769063. The reversal of 505996769011 is 110967699505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505996769011 - 2¹⁹ = 505996244723 is a prime.

It is not a weakly prime, because it can be changed into another prime (505996769111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252998384505 + 252998384506.

It is an arithmetic number, because the mean of its divisors is an integer number (252998384506).

Almost surely, 2^505996769011 is an apocalyptic number.

505996769011 is a deficient number, since it is larger than the sum of its proper divisors (1).

505996769011 is an equidigital number, since it uses as much as digits as its factorization.

505996769011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4592700, while the sum is 58.

The spelling of 505996769011 in words is "five hundred five billion, nine hundred ninety-six million, seven hundred sixty-nine thousand, eleven".