8516352498505 has 4 divisors (see below), whose sum is σ = 10219622998212. Its totient is φ = 6813081998800.

The previous prime is 8516352498491. The next prime is 8516352498517. The reversal of 8516352498505 is 5058942536158.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2930026439824 + 5586326058681 = 1711732^2 + 2363541^2 .

It is not a de Polignac number, because 8516352498505 - 2¹⁷ = 8516352367433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 851635249846 + ... + 851635249855.

It is an arithmetic number, because the mean of its divisors is an integer number (2554905749553).

Almost surely, 2^{8516352498505} is an apocalyptic number.

It is an amenable number.

8516352498505 is a deficient number, since it is larger than the sum of its proper divisors (1703270499707).

8516352498505 is a wasteful number, since it uses less digits than its factorization.

8516352498505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703270499706.

The product of its (nonzero) digits is 51840000, while the sum is 61.

The spelling of 8516352498505 in words is "eight trillion, five hundred sixteen billion, three hundred fifty-two million, four hundred ninety-eight thousand, five hundred five".