504128063506305 has 96 divisors (see below), whose sum is σ = 946690436127744. Its totient is φ = 224286256260864.

The previous prime is 504128063506289. The next prime is 504128063506307. The reversal of 504128063506305 is 503605360821405.

It is not a de Polignac number, because 504128063506305 - 2⁴ = 504128063506289 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (504128063506307) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 345703834 + ... + 347159036.

It is an arithmetic number, because the mean of its divisors is an integer number (9861358709664).

Almost surely, 2^{504128063506305} is an apocalyptic number.

It is an amenable number.

504128063506305 is a deficient number, since it is larger than the sum of its proper divisors (442562372621439).

504128063506305 is a wasteful number, since it uses less digits than its factorization.

504128063506305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1455815 (or 1455538 counting only the distinct ones).

The product of its (nonzero) digits is 2592000, while the sum is 48.

The spelling of 504128063506305 in words is "five hundred four trillion, one hundred twenty-eight billion, sixty-three million, five hundred six thousand, three hundred five".