505103130243243 has 24 divisors (see below), whose sum is σ = 834142855044096. Its totient is φ = 288518962762800.

The previous prime is 505103130243233. The next prime is 505103130243247. The reversal of 505103130243243 is 342342031301505.

505103130243243 is a `hidden beast` number, since 5 + 0 + 5 + 10 + 313 + 0 + 2 + 4 + 324 + 3 = 666.

It is not a de Polignac number, because 505103130243243 - 2⁴⁰ = 504003618615467 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505103130243198 and 505103130243207.

It is not an unprimeable number, because it can be changed into a prime (505103130243247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1547021253 + ... + 1547347718.

It is an arithmetic number, because the mean of its divisors is an integer number (34755952293504).

Almost surely, 2^{505103130243243} is an apocalyptic number.

505103130243243 is a deficient number, since it is larger than the sum of its proper divisors (329039724800853).

505103130243243 is a wasteful number, since it uses less digits than its factorization.

505103130243243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3094371575 (or 3094371572 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

Adding to 505103130243243 its reverse (342342031301505), we get a palindrome (847445161544748).

The spelling of 505103130243243 in words is "five hundred five trillion, one hundred three billion, one hundred thirty million, two hundred forty-three thousand, two hundred forty-three".