109191214080 has 1056 divisors, whose sum is σ = 435119228544. Its totient is φ = 26085556224.

The previous prime is 109191214079. The next prime is 109191214103. The reversal of 109191214080 is 80412191901.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 695485362 + ... + 695485518.

It is an arithmetic number, because the mean of its divisors is an integer number (412044724).

Almost surely, 2^109191214080 is an apocalyptic number.

109191214080 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 109191214080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217559614272).

109191214080 is an abundant number, since it is smaller than the sum of its proper divisors (325928014464).

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

109191214080 is a wasteful number, since it uses less digits than its factorization.

109191214080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 223 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The spelling of 109191214080 in words is "one hundred nine billion, one hundred ninety-one million, two hundred fourteen thousand, eighty".