109917241720 has 192 divisors, whose sum is σ = 296163540000. Its totient is φ = 36388085760.

The previous prime is 109917241673. The next prime is 109917241757. The reversal of 109917241720 is 27142719901.

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, 5418156 + ... + 5438404.

Almost surely, 2^109917241720 is an apocalyptic number.

109917241720 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 109917241720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148081770000).

109917241720 is an abundant number, since it is smaller than the sum of its proper divisors (186246298280).

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

109917241720 is a wasteful number, since it uses less digits than its factorization.

109917241720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20370 (or 20353 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 43.

The spelling of 109917241720 in words is "one hundred nine billion, nine hundred seventeen million, two hundred forty-one thousand, seven hundred twenty".