505555000319 has 2 divisors, whose sum is σ = 505555000320. Its totient is φ = 505555000318.

The previous prime is 505555000261. The next prime is 505555000331. The reversal of 505555000319 is 913000555505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 505555000319 - 2⁸ = 505555000063 is a prime.

It is a super-2 number, since 2×505555000319² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (505555000399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 252777500159 + 252777500160.

It is an arithmetic number, because the mean of its divisors is an integer number (252777500160).

Almost surely, 2^505555000319 is an apocalyptic number.

505555000319 is a deficient number, since it is larger than the sum of its proper divisors (1).

505555000319 is an equidigital number, since it uses as much as digits as its factorization.

505555000319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84375, while the sum is 38.

The spelling of 505555000319 in words is "five hundred five billion, five hundred fifty-five million, three hundred nineteen", and thus it is an aban number.