505345065205 has 16 divisors (see below), whose sum is σ = 640509246720. Its totient is φ = 381691182528.

The previous prime is 505345065149. The next prime is 505345065257. The reversal of 505345065205 is 502560543505.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 505345065205 - 2¹³ = 505345057013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9049677 + ... + 9105346.

It is an arithmetic number, because the mean of its divisors is an integer number (40031827920).

Almost surely, 2^505345065205 is an apocalyptic number.

It is an amenable number.

505345065205 is a deficient number, since it is larger than the sum of its proper divisors (135164181515).

505345065205 is a wasteful number, since it uses less digits than its factorization.

505345065205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18155340.

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 505345065205 in words is "five hundred five billion, three hundred forty-five million, sixty-five thousand, two hundred five".