505368085318 has 8 divisors (see below), whose sum is σ = 758055390912. Its totient is φ = 252682955016.

The previous prime is 505368085303. The next prime is 505368085363. The reversal of 505368085318 is 813580863505.

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

It is a super-2 number, since 2×505368085318² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 296971 + ... + 1048297.

It is an arithmetic number, because the mean of its divisors is an integer number (94756923864).

Almost surely, 2^505368085318 is an apocalyptic number.

505368085318 is a deficient number, since it is larger than the sum of its proper divisors (252687305594).

505368085318 is a wasteful number, since it uses less digits than its factorization.

505368085318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1087646.

The product of its (nonzero) digits is 3456000, while the sum is 52.

The spelling of 505368085318 in words is "five hundred five billion, three hundred sixty-eight million, eighty-five thousand, three hundred eighteen".