111601065160 has 128 divisors (see below), whose sum is σ = 279840153600. Its totient is φ = 39777454080.

The previous prime is 111601065137. The next prime is 111601065167. The reversal of 111601065160 is 61560106111.

It is not an unprimeable number, because it can be changed into a prime (111601065167) 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, 6584617 + ... + 6601543.

It is an arithmetic number, because the mean of its divisors is an integer number (2186251200).

Almost surely, 2^111601065160 is an apocalyptic number.

111601065160 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 111601065160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139920076800).

111601065160 is an abundant number, since it is smaller than the sum of its proper divisors (168239088440).

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

111601065160 is a wasteful number, since it uses less digits than its factorization.

111601065160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17391 (or 17387 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 28.

The spelling of 111601065160 in words is "one hundred eleven billion, six hundred one million, sixty-five thousand, one hundred sixty".