415164516505 has 4 divisors (see below), whose sum is σ = 498197419812. Its totient is φ = 332131613200.

The previous prime is 415164516493. The next prime is 415164516521. The reversal of 415164516505 is 505615461514.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 505615461514 = 2 ⋅252807730757.

It can be written as a sum of positive squares in 2 ways, for example, as 319282632601 + 95881883904 = 565051^2 + 309648^2 .

It is not a de Polignac number, because 415164516505 - 2¹⁵ = 415164483737 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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41516451646 + ... + 41516451655.

It is an arithmetic number, because the mean of its divisors is an integer number (124549354953).

Almost surely, 2^415164516505 is an apocalyptic number.

It is an amenable number.

415164516505 is a deficient number, since it is larger than the sum of its proper divisors (83032903307).

415164516505 is an equidigital number, since it uses as much as digits as its factorization.

415164516505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83032903306.

The product of its (nonzero) digits is 360000, while the sum is 43.

The spelling of 415164516505 in words is "four hundred fifteen billion, one hundred sixty-four million, five hundred sixteen thousand, five hundred five".