108017869205 has 4 divisors (see below), whose sum is σ = 129621443052. Its totient is φ = 86414295360.

The previous prime is 108017869189. The next prime is 108017869217. The reversal of 108017869205 is 502968710801.

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 41560122769 + 66457746436 = 203863^2 + 257794^2 .

It is not a de Polignac number, because 108017869205 - 2⁴ = 108017869189 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 108017869205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10801786916 + ... + 10801786925.

It is an arithmetic number, because the mean of its divisors is an integer number (32405360763).

Almost surely, 2^108017869205 is an apocalyptic number.

It is an amenable number.

108017869205 is a deficient number, since it is larger than the sum of its proper divisors (21603573847).

108017869205 is an equidigital number, since it uses as much as digits as its factorization.

108017869205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21603573846.

The product of its (nonzero) digits is 241920, while the sum is 47.

The spelling of 108017869205 in words is "one hundred eight billion, seventeen million, eight hundred sixty-nine thousand, two hundred five".