111164030880 has 768 divisors, whose sum is σ = 444402008064. Its totient is φ = 22773104640.

The previous prime is 111164030867. The next prime is 111164030881. The reversal of 111164030880 is 88030461111.

It is a happy number.

It is a super-2 number, since 2×111164030880² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (111164030881) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 118637772 + ... + 118638708.

It is an arithmetic number, because the mean of its divisors is an integer number (578648448).

Almost surely, 2^111164030880 is an apocalyptic number.

111164030880 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 111164030880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222201004032).

111164030880 is an abundant number, since it is smaller than the sum of its proper divisors (333237977184).

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

111164030880 is a wasteful number, since it uses less digits than its factorization.

111164030880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

Adding to 111164030880 its reverse (88030461111), we get a palindrome (199194491991).

The spelling of 111164030880 in words is "one hundred eleven billion, one hundred sixty-four million, thirty thousand, eight hundred eighty".