108506085505 has 16 divisors (see below), whose sum is σ = 134009588160. Its totient is φ = 84305464768.

The previous prime is 108506085503. The next prime is 108506085601. The reversal of 108506085505 is 505580605801.

It is a cyclic number.

It is not a de Polignac number, because 108506085505 - 2¹ = 108506085503 is a prime.

It is a super-2 number, since 2×108506085505² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (108506085503) 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, 2191282 + ... + 2240251.

It is an arithmetic number, because the mean of its divisors is an integer number (8375599260).

Almost surely, 2^108506085505 is an apocalyptic number.

It is an amenable number.

108506085505 is a deficient number, since it is larger than the sum of its proper divisors (25503502655).

108506085505 is an equidigital number, since it uses as much as digits as its factorization.

108506085505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4431680.

The product of its (nonzero) digits is 240000, while the sum is 43.

The spelling of 108506085505 in words is "one hundred eight billion, five hundred six million, eighty-five thousand, five hundred five".