505705314915 has 24 divisors (see below), whose sum is σ = 914667006240. Its totient is φ = 257983000704.

The previous prime is 505705314859. The next prime is 505705314923. The reversal of 505705314915 is 519413507505.

505705314915 is a `hidden beast` number, since 5 + 0 + 5 + 70 + 531 + 49 + 1 + 5 = 666.

It is not a de Polignac number, because 505705314915 - 2¹² = 505705310819 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 23 ways as a sum of consecutive naturals, for example, 244301050 + ... + 244303119.

It is an arithmetic number, because the mean of its divisors is an integer number (38111125260).

Almost surely, 2^505705314915 is an apocalyptic number.

505705314915 is a deficient number, since it is larger than the sum of its proper divisors (408961691325).

505705314915 is a wasteful number, since it uses less digits than its factorization.

505705314915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488604203 (or 488604200 counting only the distinct ones).

The product of its (nonzero) digits is 472500, while the sum is 45.

The spelling of 505705314915 in words is "five hundred five billion, seven hundred five million, three hundred fourteen thousand, nine hundred fifteen".