108120518489 has 8 divisors (see below), whose sum is σ = 113380989960. Its totient is φ = 102962192256.

The previous prime is 108120518477. The next prime is 108120518503. The reversal of 108120518489 is 984815021801.

It can be written as a sum of positive squares in 4 ways, for example, as 7430440000 + 100690078489 = 86200^2 + 317317^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108120518489 - 2¹⁶ = 108120452953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (108120518459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25534142 + ... + 25538375.

It is an arithmetic number, because the mean of its divisors is an integer number (14172623745).

Almost surely, 2^108120518489 is an apocalyptic number.

It is an amenable number.

108120518489 is a deficient number, since it is larger than the sum of its proper divisors (5260471471).

108120518489 is an equidigital number, since it uses as much as digits as its factorization.

108120518489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51072619.

The product of its (nonzero) digits is 184320, while the sum is 47.

The spelling of 108120518489 in words is "one hundred eight billion, one hundred twenty million, five hundred eighteen thousand, four hundred eighty-nine".