505103403264 has 36 divisors (see below), whose sum is σ = 1344311663856. Its totient is φ = 168367800832.

The previous prime is 505103403251. The next prime is 505103403269. The reversal of 505103403264 is 462304301505.

It is not an unprimeable number, because it can be changed into a prime (505103403269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328842594 + ... + 328844129.

Almost surely, 2^505103403264 is an apocalyptic number.

It is an amenable number.

505103403264 is an abundant number, since it is smaller than the sum of its proper divisors (839208260592).

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

505103403264 is an equidigital number, since it uses as much as digits as its factorization.

505103403264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657686742 (or 657686728 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 505103403264 its reverse (462304301505), we get a palindrome (967407704769).

The spelling of 505103403264 in words is "five hundred five billion, one hundred three million, four hundred three thousand, two hundred sixty-four".