505945060580543 has 4 divisors (see below), whose sum is σ = 505950811547280. Its totient is φ = 505939309613808.

The previous prime is 505945060580527. The next prime is 505945060580587. The reversal of 505945060580543 is 345085060549505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 505945060580543 - 2⁴ = 505945060580527 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505945060180543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2875351403 + ... + 2875527356.

It is an arithmetic number, because the mean of its divisors is an integer number (126487702886820).

Almost surely, 2^{505945060580543} is an apocalyptic number.

505945060580543 is a deficient number, since it is larger than the sum of its proper divisors (5750966737).

505945060580543 is an equidigital number, since it uses as much as digits as its factorization.

505945060580543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5750966736.

The product of its (nonzero) digits is 64800000, while the sum is 59.

The spelling of 505945060580543 in words is "five hundred five trillion, nine hundred forty-five billion, sixty million, five hundred eighty thousand, five hundred forty-three".