111163521106320 has 320 divisors, whose sum is σ = 369386192056320. Its totient is φ = 27582602471424.

The previous prime is 111163521106289. The next prime is 111163521106333. The reversal of 111163521106320 is 23601125361111.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1014405291 + ... + 1014514869.

It is an arithmetic number, because the mean of its divisors is an integer number (1154331850176).

Almost surely, 2^{111163521106320} is an apocalyptic number.

111163521106320 is a gapful number since it is divisible by the number (10) 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 111163521106320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184693096028160).

111163521106320 is an abundant number, since it is smaller than the sum of its proper divisors (258222670950000).

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

111163521106320 is a wasteful number, since it uses less digits than its factorization.

111163521106320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114622 (or 114616 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 33.

Adding to 111163521106320 its reverse (23601125361111), we get a palindrome (134764646467431).

The spelling of 111163521106320 in words is "one hundred eleven trillion, one hundred sixty-three billion, five hundred twenty-one million, one hundred six thousand, three hundred twenty".