111141606720 has 224 divisors, whose sum is σ = 368022445056. Its totient is φ = 28385280000.

The previous prime is 111141606703. The next prime is 111141606721. The reversal of 111141606720 is 27606141111.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111141606721) 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, 2867470 + ... + 2905970.

It is an arithmetic number, because the mean of its divisors is an integer number (1642957344).

Almost surely, 2^111141606720 is an apocalyptic number.

111141606720 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 111141606720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184011222528).

111141606720 is an abundant number, since it is smaller than the sum of its proper divisors (256880838336).

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

111141606720 is a wasteful number, since it uses less digits than its factorization.

111141606720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38649 (or 38639 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 30.

Adding to 111141606720 its reverse (27606141111), we get a palindrome (138747747831).

The spelling of 111141606720 in words is "one hundred eleven billion, one hundred forty-one million, six hundred six thousand, seven hundred twenty".