503565320104 has 64 divisors (see below), whose sum is σ = 1215138816000. Its totient is φ = 189865425600.

The previous prime is 503565320077. The next prime is 503565320177. The reversal of 503565320104 is 401023565305.

It is a super-2 number, since 2×503565320104² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 503565320104.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13166004 + ... + 13204195.

It is an arithmetic number, because the mean of its divisors is an integer number (18986544000).

Almost surely, 2^503565320104 is an apocalyptic number.

It is an amenable number.

503565320104 is an abundant number, since it is smaller than the sum of its proper divisors (711573495896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503565320104 is a wasteful number, since it uses less digits than its factorization.

503565320104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26370254 (or 26370250 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

Adding to 503565320104 its reverse (401023565305), we get a palindrome (904588885409).

The spelling of 503565320104 in words is "five hundred three billion, five hundred sixty-five million, three hundred twenty thousand, one hundred four".