503153133023242 has 16 divisors (see below), whose sum is σ = 812929915921032. Its totient is φ = 232183355604480.

The previous prime is 503153133023179. The next prime is 503153133023243. The reversal of 503153133023242 is 242320331351305.

It can be written as a sum of positive squares in 4 ways, for example, as 494922379416201 + 8230753607041 = 22246851^2 + 2868929^2 .

It is a super-2 number, since 2×503153133023242² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (503153133023243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1715155903 + ... + 1715449234.

Almost surely, 2^{503153133023242} is an apocalyptic number.

503153133023242 is a deficient number, since it is larger than the sum of its proper divisors (309776782897790).

503153133023242 is a wasteful number, since it uses less digits than its factorization.

503153133023242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3430610793.

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 503153133023242 its reverse (242320331351305), we get a palindrome (745473464374547).

The spelling of 503153133023242 in words is "five hundred three trillion, one hundred fifty-three billion, one hundred thirty-three million, twenty-three thousand, two hundred forty-two".