506143355361187 has 2 divisors, whose sum is σ = 506143355361188. Its totient is φ = 506143355361186.

The previous prime is 506143355361179. The next prime is 506143355361253. The reversal of 506143355361187 is 781163553341605.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 506143355361187 - 2³ = 506143355361179 is a prime.

It is not a weakly prime, because it can be changed into another prime (506143355361167) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253071677680593 + 253071677680594.

It is an arithmetic number, because the mean of its divisors is an integer number (253071677680594).

Almost surely, 2^{506143355361187} is an apocalyptic number.

506143355361187 is a deficient number, since it is larger than the sum of its proper divisors (1).

506143355361187 is an equidigital number, since it uses as much as digits as its factorization.

506143355361187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216000, while the sum is 58.

The spelling of 506143355361187 in words is "five hundred six trillion, one hundred forty-three billion, three hundred fifty-five million, three hundred sixty-one thousand, one hundred eighty-seven".