111995648 has 54 divisors (see below), whose sum is σ = 233978724. Its totient is φ = 53498368.

The previous prime is 111995623. The next prime is 111995669. The reversal of 111995648 is 846599111.

It is a junction number, because it is equal to n+sod(n) for n = 111995599 and 111995608.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135011 + ... + 135837.

Almost surely, 2^111995648 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 111995648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116989362).

111995648 is an abundant number, since it is smaller than the sum of its proper divisors (121983076).

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

111995648 is an frugal number, since it uses more digits than its factorization.

111995648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889 (or 852 counting only the distinct ones).

The product of its digits is 77760, while the sum is 44.

The square root of 111995648 is about 10582.7996295876. The cubic root of 111995648 is about 482.0222093380.

The spelling of 111995648 in words is "one hundred eleven million, nine hundred ninety-five thousand, six hundred forty-eight".