505505500063 has 2 divisors, whose sum is σ = 505505500064. Its totient is φ = 505505500062.

The previous prime is 505505500061. The next prime is 505505500187. The reversal of 505505500063 is 360005505505.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 505505500063 - 2¹ = 505505500061 is a prime.

Together with 505505500061, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505505500061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252752750031 + 252752750032.

It is an arithmetic number, because the mean of its divisors is an integer number (252752750032).

Almost surely, 2^505505500063 is an apocalyptic number.

505505500063 is a deficient number, since it is larger than the sum of its proper divisors (1).

505505500063 is an equidigital number, since it uses as much as digits as its factorization.

505505500063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 56250, while the sum is 34.

The spelling of 505505500063 in words is "five hundred five billion, five hundred five million, five hundred thousand, sixty-three".