111172678848 has 1344 divisors, whose sum is σ = 449895333888. Its totient is φ = 26336378880.

The previous prime is 111172678819. The next prime is 111172678849. The reversal of 111172678848 is 848876271111.

It is a tau number, because it is divible by the number of its divisors (1344).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 111172678794 and 111172678803.

It is not an unprimeable number, because it can be changed into a prime (111172678849) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 875375361 + ... + 875375487.

It is an arithmetic number, because the mean of its divisors is an integer number (334743552).

Almost surely, 2^111172678848 is an apocalyptic number.

111172678848 is a gapful number since it is divisible by the number (18) 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 111172678848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224947666944).

111172678848 is an abundant number, since it is smaller than the sum of its proper divisors (338722655040).

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

111172678848 is a wasteful number, since it uses less digits than its factorization.

111172678848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 210 counting only the distinct ones).

The product of its digits is 1204224, while the sum is 54.

The spelling of 111172678848 in words is "one hundred eleven billion, one hundred seventy-two million, six hundred seventy-eight thousand, eight hundred forty-eight".