505365666115 has 8 divisors (see below), whose sum is σ = 606824829648. Its totient is φ = 404035179360.

The previous prime is 505365666109. The next prime is 505365666131. The reversal of 505365666115 is 511666563505.

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

It is not a de Polignac number, because 505365666115 - 2²³ = 505357277507 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 (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32160552 + ... + 32176261.

It is an arithmetic number, because the mean of its divisors is an integer number (75853103706).

Almost surely, 2^505365666115 is an apocalyptic number.

505365666115 is a deficient number, since it is larger than the sum of its proper divisors (101459163533).

505365666115 is a wasteful number, since it uses less digits than its factorization.

505365666115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64338389.

The product of its (nonzero) digits is 2430000, while the sum is 49.

The spelling of 505365666115 in words is "five hundred five billion, three hundred sixty-five million, six hundred sixty-six thousand, one hundred fifteen".