111131112316 has 96 divisors (see below), whose sum is σ = 237070310400. Its totient is φ = 45477698112.

The previous prime is 111131112269. The next prime is 111131112317. The reversal of 111131112316 is 613211131111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111131112317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20287770 + ... + 20293246.

It is an arithmetic number, because the mean of its divisors is an integer number (2469482400).

Almost surely, 2^111131112316 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 111131112316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118535155200).

111131112316 is an abundant number, since it is smaller than the sum of its proper divisors (125939198084).

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

111131112316 is a wasteful number, since it uses less digits than its factorization.

111131112316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6168 (or 6152 counting only the distinct ones).

The product of its digits is 108, while the sum is 22.

Adding to 111131112316 its reverse (613211131111), we get a palindrome (724342243427).

The spelling of 111131112316 in words is "one hundred eleven billion, one hundred thirty-one million, one hundred twelve thousand, three hundred sixteen".