108740381885 has 4 divisors (see below), whose sum is σ = 130488458268. Its totient is φ = 86992305504.

The previous prime is 108740381797. The next prime is 108740381887. The reversal of 108740381885 is 588183047801.

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 18176702041 + 90563679844 = 134821^2 + 300938^2 .

It is a cyclic number.

It is not a de Polignac number, because 108740381885 - 2²⁶ = 108673273021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108740381887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10874038184 + ... + 10874038193.

It is an arithmetic number, because the mean of its divisors is an integer number (32622114567).

Almost surely, 2^108740381885 is an apocalyptic number.

It is an amenable number.

108740381885 is a deficient number, since it is larger than the sum of its proper divisors (21748076383).

108740381885 is an equidigital number, since it uses as much as digits as its factorization.

108740381885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21748076382.

The product of its (nonzero) digits is 1720320, while the sum is 53.

The spelling of 108740381885 in words is "one hundred eight billion, seven hundred forty million, three hundred eighty-one thousand, eight hundred eighty-five".