108918709641040 has 240 divisors, whose sum is σ = 275385008659968. Its totient is φ = 40044539019264.

The previous prime is 108918709641017. The next prime is 108918709641143. The reversal of 108918709641040 is 40146907819801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13922878569 + ... + 13922886391.

Almost surely, 2^{108918709641040} is an apocalyptic number.

108918709641040 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 108918709641040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137692504329984).

108918709641040 is an abundant number, since it is smaller than the sum of its proper divisors (166466299018928).

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

108918709641040 is a wasteful number, since it uses less digits than its factorization.

108918709641040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12126 (or 12107 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 58.

The spelling of 108918709641040 in words is "one hundred eight trillion, nine hundred eighteen billion, seven hundred nine million, six hundred forty-one thousand, forty".