505242443104503 has 16 divisors (see below), whose sum is σ = 743170873161696. Its totient is φ = 303335050268160.

The previous prime is 505242443104463. The next prime is 505242443104513. The reversal of 505242443104503 is 305401344242505.

It is not a de Polignac number, because 505242443104503 - 2⁸ = 505242443104247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505242443104513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157987003750 + ... + 157987006947.

It is an arithmetic number, because the mean of its divisors is an integer number (46448179572606).

Almost surely, 2^{505242443104503} is an apocalyptic number.

505242443104503 is a deficient number, since it is larger than the sum of its proper divisors (237928430057193).

505242443104503 is a wasteful number, since it uses less digits than its factorization.

505242443104503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315974010754.

The product of its (nonzero) digits is 1152000, while the sum is 42.

The spelling of 505242443104503 in words is "five hundred five trillion, two hundred forty-two billion, four hundred forty-three million, one hundred four thousand, five hundred three".