128379841110 has 80 divisors (see below), whose sum is σ = 346110771600. Its totient is φ = 34144213824.

The previous prime is 128379841061. The next prime is 128379841141. The reversal of 128379841110 is 11148973821.

It is a happy number.

128379841110 is a `hidden beast` number, since 128 + 379 + 8 + 41 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 97896 + ... + 516084.

It is an arithmetic number, because the mean of its divisors is an integer number (4326384645).

Almost surely, 2^128379841110 is an apocalyptic number.

128379841110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 128379841110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173055385800).

128379841110 is an abundant number, since it is smaller than the sum of its proper divisors (217730930490).

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

128379841110 is a wasteful number, since it uses less digits than its factorization.

128379841110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418587 (or 418578 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 45.

The spelling of 128379841110 in words is "one hundred twenty-eight billion, three hundred seventy-nine million, eight hundred forty-one thousand, one hundred ten".