503345014413321 has 16 divisors (see below), whose sum is σ = 706450012050240. Its totient is φ = 317901723310080.

The previous prime is 503345014413301. The next prime is 503345014413337. The reversal of 503345014413321 is 123314410543305.

It is not a de Polignac number, because 503345014413321 - 2¹⁵ = 503345014380553 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503345014413321.

It is not an unprimeable number, because it can be changed into a prime (503345014413301) 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 15 ways as a sum of consecutive naturals, for example, 45458521 + ... + 55436153.

It is an arithmetic number, because the mean of its divisors is an integer number (44153125753140).

Almost surely, 2^{503345014413321} is an apocalyptic number.

It is an amenable number.

503345014413321 is a deficient number, since it is larger than the sum of its proper divisors (203104997636919).

503345014413321 is a wasteful number, since it uses less digits than its factorization.

503345014413321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10862696.

The product of its (nonzero) digits is 259200, while the sum is 39.

Adding to 503345014413321 its reverse (123314410543305), we get a palindrome (626659424956626).

The spelling of 503345014413321 in words is "five hundred three trillion, three hundred forty-five billion, fourteen million, four hundred thirteen thousand, three hundred twenty-one".