505055808616 has 16 divisors (see below), whose sum is σ = 996820675200. Its totient is φ = 239236961904.

The previous prime is 505055808541. The next prime is 505055808617. The reversal of 505055808616 is 616808550505.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 505055808616.

It is not an unprimeable number, because it can be changed into a prime (505055808617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1661367640 + ... + 1661367943.

It is an arithmetic number, because the mean of its divisors is an integer number (62301292200).

Almost surely, 2^505055808616 is an apocalyptic number.

It is an amenable number.

505055808616 is a deficient number, since it is larger than the sum of its proper divisors (491764866584).

505055808616 is a wasteful number, since it uses less digits than its factorization.

505055808616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3322735608 (or 3322735604 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 49.

The spelling of 505055808616 in words is "five hundred five billion, fifty-five million, eight hundred eight thousand, six hundred sixteen".