111117060 has 72 divisors (see below), whose sum is σ = 342800640. Its totient is φ = 29126208.

The previous prime is 111117047. The next prime is 111117077. The reversal of 111117060 is 60711111.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5389 + ... + 15851.

It is an arithmetic number, because the mean of its divisors is an integer number (4761120).

Almost surely, 2^111117060 is an apocalyptic number.

111117060 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 111117060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (171400320).

111117060 is an abundant number, since it is smaller than the sum of its proper divisors (231683580).

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

111117060 is a wasteful number, since it uses less digits than its factorization.

111117060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10537 (or 10532 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 18.

The square root of 111117060 is about 10541.2077106943. The cubic root of 111117060 is about 480.7584363985.

Adding to 111117060 its reverse (60711111), we get a palindrome (171828171).

The spelling of 111117060 in words is "one hundred eleven million, one hundred seventeen thousand, sixty".