108320019205 has 4 divisors (see below), whose sum is σ = 129984023052. Its totient is φ = 86656015360.

The previous prime is 108320019193. The next prime is 108320019253. The reversal of 108320019205 is 502910023801.

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 77529947364 + 30790071841 = 278442^2 + 175471^2 .

It is not a de Polignac number, because 108320019205 - 2¹³ = 108320011013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10832001916 + ... + 10832001925.

It is an arithmetic number, because the mean of its divisors is an integer number (32496005763).

Almost surely, 2^108320019205 is an apocalyptic number.

It is an amenable number.

108320019205 is a deficient number, since it is larger than the sum of its proper divisors (21664003847).

108320019205 is an equidigital number, since it uses as much as digits as its factorization.

108320019205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21664003846.

The product of its (nonzero) digits is 4320, while the sum is 31.

The spelling of 108320019205 in words is "one hundred eight billion, three hundred twenty million, nineteen thousand, two hundred five".