505055555167 has 2 divisors, whose sum is σ = 505055555168. Its totient is φ = 505055555166.

The previous prime is 505055555057. The next prime is 505055555189. The reversal of 505055555167 is 761555550505.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-505055555167 is a prime.

It is a super-2 number, since 2×505055555167² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 505055555167.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505055555567) 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, 252527777583 + 252527777584.

It is an arithmetic number, because the mean of its divisors is an integer number (252527777584).

Almost surely, 2^505055555167 is an apocalyptic number.

505055555167 is a deficient number, since it is larger than the sum of its proper divisors (1).

505055555167 is an equidigital number, since it uses as much as digits as its factorization.

505055555167 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3281250, while the sum is 49.

The spelling of 505055555167 in words is "five hundred five billion, fifty-five million, five hundred fifty-five thousand, one hundred sixty-seven".