8505563005 has 8 divisors (see below), whose sum is σ = 10267794432. Its totient is φ = 6763704528.

The previous prime is 8505562991. The next prime is 8505563081. The reversal of 8505563005 is 5003655058.

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

It is a cyclic number.

It is not a de Polignac number, because 8505563005 - 2⁵ = 8505562973 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5092317 + ... + 5093986.

It is an arithmetic number, because the mean of its divisors is an integer number (1283474304).

Almost surely, 2^8505563005 is an apocalyptic number.

It is an amenable number.

8505563005 is a deficient number, since it is larger than the sum of its proper divisors (1762231427).

8505563005 is a wasteful number, since it uses less digits than its factorization.

8505563005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10186475.

The product of its (nonzero) digits is 90000, while the sum is 37.

The square root of 8505563005 is about 92225.6092687926. The cubic root of 8505563005 is about 2041.2726748020.

The spelling of 8505563005 in words is "eight billion, five hundred five million, five hundred sixty-three thousand, five".