505203064312 has 16 divisors (see below), whose sum is σ = 947762056800. Its totient is φ = 252466515840.

The previous prime is 505203064291. The next prime is 505203064381. The reversal of 505203064312 is 213460302505.

It is a happy number.

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, 16861137 + ... + 16891072.

It is an arithmetic number, because the mean of its divisors is an integer number (59235128550).

Almost surely, 2^505203064312 is an apocalyptic number.

It is an amenable number.

505203064312 is a deficient number, since it is larger than the sum of its proper divisors (442558992488).

505203064312 is a wasteful number, since it uses less digits than its factorization.

505203064312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33754086 (or 33754082 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

Adding to 505203064312 its reverse (213460302505), we get a palindrome (718663366817).

The spelling of 505203064312 in words is "five hundred five billion, two hundred three million, sixty-four thousand, three hundred twelve".