27159560065 has 16 divisors (see below), whose sum is σ = 36055103616. Its totient is φ = 19474201600.

The previous prime is 27159560059. The next prime is 27159560069. The reversal of 27159560065 is 56006595172.

It is not a de Polignac number, because 27159560065 - 2⁵ = 27159560033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27159559997 and 27159560024.

It is not an unprimeable number, because it can be changed into a prime (27159560069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3473632 + ... + 3481441.

It is an arithmetic number, because the mean of its divisors is an integer number (2253443976).

Almost surely, 2^27159560065 is an apocalyptic number.

It is an amenable number.

27159560065 is a deficient number, since it is larger than the sum of its proper divisors (8895543551).

27159560065 is a wasteful number, since it uses less digits than its factorization.

27159560065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6955160.

The product of its (nonzero) digits is 567000, while the sum is 46.

The spelling of 27159560065 in words is "twenty-seven billion, one hundred fifty-nine million, five hundred sixty thousand, sixty-five".