505516513163245 has 16 divisors (see below), whose sum is σ = 623327397246720. Its totient is φ = 393380400032064.

The previous prime is 505516513163239. The next prime is 505516513163279. The reversal of 505516513163245 is 542361315615505.

It is a cyclic number.

It is not a de Polignac number, because 505516513163245 - 2¹¹ = 505516513161197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 505516513163192 and 505516513163201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6598532550 + ... + 6598609159.

It is an arithmetic number, because the mean of its divisors is an integer number (38957962327920).

Almost surely, 2^{505516513163245} is an apocalyptic number.

It is an amenable number.

505516513163245 is a deficient number, since it is larger than the sum of its proper divisors (117810884083475).

505516513163245 is a wasteful number, since it uses less digits than its factorization.

505516513163245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13197141924.

The product of its (nonzero) digits is 8100000, while the sum is 52.

The spelling of 505516513163245 in words is "five hundred five trillion, five hundred sixteen billion, five hundred thirteen million, one hundred sixty-three thousand, two hundred forty-five".