108871515065 has 16 divisors (see below), whose sum is σ = 131890228992. Its totient is φ = 86267894784.

The previous prime is 108871515029. The next prime is 108871515089. The reversal of 108871515065 is 560515178801.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 108871515065 - 2⁶ = 108871515001 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3718112 + ... + 3747278.

It is an arithmetic number, because the mean of its divisors is an integer number (8243139312).

Almost surely, 2^108871515065 is an apocalyptic number.

It is an amenable number.

108871515065 is a deficient number, since it is larger than the sum of its proper divisors (23018713927).

108871515065 is a wasteful number, since it uses less digits than its factorization.

108871515065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36256.

The product of its (nonzero) digits is 336000, while the sum is 47.

The spelling of 108871515065 in words is "one hundred eight billion, eight hundred seventy-one million, five hundred fifteen thousand, sixty-five".