505613316505 has 8 divisors (see below), whose sum is σ = 661893796224. Its totient is φ = 367718775600.

The previous prime is 505613316457. The next prime is 505613316563.

It is a happy number.

505613316505 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 505613316505 - 2¹¹ = 505613314457 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4596484641 + ... + 4596484750.

It is an arithmetic number, because the mean of its divisors is an integer number (82736724528).

Almost surely, 2^505613316505 is an apocalyptic number.

505613316505 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505613316505 is a deficient number, since it is larger than the sum of its proper divisors (156280479719).

505613316505 is a wasteful number, since it uses less digits than its factorization.

505613316505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9192969407.

The product of its (nonzero) digits is 202500, while the sum is 40.

The spelling of 505613316505 in words is "five hundred five billion, six hundred thirteen million, three hundred sixteen thousand, five hundred five".