108618718480 has 80 divisors (see below), whose sum is σ = 259501676544. Its totient is φ = 42250775040.

The previous prime is 108618718463. The next prime is 108618718493. The reversal of 108618718480 is 84817816801.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6239869 + ... + 6257251.

Almost surely, 2^108618718480 is an apocalyptic number.

108618718480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 108618718480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129750838272).

108618718480 is an abundant number, since it is smaller than the sum of its proper divisors (150882958064).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

108618718480 is a wasteful number, since it uses less digits than its factorization.

108618718480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19544 (or 19538 counting only the distinct ones).

The product of its (nonzero) digits is 688128, while the sum is 52.

The spelling of 108618718480 in words is "one hundred eight billion, six hundred eighteen million, seven hundred eighteen thousand, four hundred eighty".