505665065116 has 12 divisors (see below), whose sum is σ = 899912404440. Its totient is φ = 248547235280.

The previous prime is 505665065071. The next prime is 505665065159. The reversal of 505665065116 is 611560566505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1071324055 + ... + 1071324526.

It is an arithmetic number, because the mean of its divisors is an integer number (74992700370).

Almost surely, 2^505665065116 is an apocalyptic number.

It is an amenable number.

505665065116 is a deficient number, since it is larger than the sum of its proper divisors (394247339324).

505665065116 is a wasteful number, since it uses less digits than its factorization.

505665065116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142648644 (or 2142648642 counting only the distinct ones).

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 505665065116 in words is "five hundred five billion, six hundred sixty-five million, sixty-five thousand, one hundred sixteen".