503555321301412 has 12 divisors (see below), whose sum is σ = 882953092855260. Its totient is φ = 251283009057056.

The previous prime is 503555321301407. The next prime is 503555321301413. The reversal of 503555321301412 is 214103123555305.

It can be written as a sum of positive squares in 2 ways, for example, as 477250075370916 + 26305245930496 = 21846054^2 + 5128864^2 .

It is a super-2 number, since 2×503555321301412² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (503555321301413) by changing a digit.

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, 123662896123 + ... + 123662900194.

It is an arithmetic number, because the mean of its divisors is an integer number (73579424404605).

Almost surely, 2^{503555321301412} is an apocalyptic number.

It is an amenable number.

503555321301412 is a deficient number, since it is larger than the sum of its proper divisors (379397771553848).

503555321301412 is a wasteful number, since it uses less digits than its factorization.

503555321301412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247325796830 (or 247325796828 counting only the distinct ones).

The product of its (nonzero) digits is 270000, while the sum is 40.

Adding to 503555321301412 its reverse (214103123555305), we get a palindrome (717658444856717).

The spelling of 503555321301412 in words is "five hundred three trillion, five hundred fifty-five billion, three hundred twenty-one million, three hundred one thousand, four hundred twelve".