108609621118 has 4 divisors (see below), whose sum is σ = 162914431680. Its totient is φ = 54304810558.

The previous prime is 108609621103. The next prime is 108609621119. The reversal of 108609621118 is 811126906801.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108609621119) by changing a digit.

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 as a sum of consecutive naturals, namely, 27152405278 + ... + 27152405281.

It is an arithmetic number, because the mean of its divisors is an integer number (40728607920).

Almost surely, 2^108609621118 is an apocalyptic number.

108609621118 is a deficient number, since it is larger than the sum of its proper divisors (54304810562).

108609621118 is an equidigital number, since it uses as much as digits as its factorization.

108609621118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54304810561.

The product of its (nonzero) digits is 41472, while the sum is 43.

The spelling of 108609621118 in words is "one hundred eight billion, six hundred nine million, six hundred twenty-one thousand, one hundred eighteen".