111149923808 has 192 divisors, whose sum is σ = 282226291200. Its totient is φ = 42708556800.

The previous prime is 111149923777. The next prime is 111149923817. The reversal of 111149923808 is 808329941111.

111149923808 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8807423 + ... + 8820033.

It is an arithmetic number, because the mean of its divisors is an integer number (1469928600).

Almost surely, 2^111149923808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111149923808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141113145600).

111149923808 is an abundant number, since it is smaller than the sum of its proper divisors (171076367392).

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

111149923808 is a wasteful number, since it uses less digits than its factorization.

111149923808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12726 (or 12704 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 47.

The spelling of 111149923808 in words is "one hundred eleven billion, one hundred forty-nine million, nine hundred twenty-three thousand, eight hundred eight".