111355325216 has 72 divisors (see below), whose sum is σ = 237280416660. Its totient is φ = 51413553152.

The previous prime is 111355325197. The next prime is 111355325227. The reversal of 111355325216 is 612523553111.

It can be written as a sum of positive squares in 6 ways, for example, as 102530601616 + 8824723600 = 320204^2 + 93940^2 .

It is a super-2 number, since 2×111355325216² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376550 + ... + 603738.

Almost surely, 2^111355325216 is an apocalyptic number.

111355325216 is a gapful number since it is divisible by the number (16) 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 111355325216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118640208330).

111355325216 is an abundant number, since it is smaller than the sum of its proper divisors (125925091444).

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

111355325216 is a wasteful number, since it uses less digits than its factorization.

111355325216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227286 (or 227261 counting only the distinct ones).

The product of its digits is 27000, while the sum is 35.

Adding to 111355325216 its reverse (612523553111), we get a palindrome (723878878327).

The spelling of 111355325216 in words is "one hundred eleven billion, three hundred fifty-five million, three hundred twenty-five thousand, two hundred sixteen".