111115230 has 64 divisors (see below), whose sum is σ = 297250560. Its totient is φ = 26417664.

The previous prime is 111115223. The next prime is 111115237. The reversal of 111115230 is 32511111.

It is an interprime number because it is at equal distance from previous prime (111115223) and next prime (111115237).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111115237) 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, 3957 + ... + 15423.

It is an arithmetic number, because the mean of its divisors is an integer number (4644540).

Almost surely, 2^111115230 is an apocalyptic number.

111115230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 111115230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148625280).

111115230 is an abundant number, since it is smaller than the sum of its proper divisors (186135330).

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

111115230 is a wasteful number, since it uses less digits than its factorization.

111115230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11513.

The product of its (nonzero) digits is 30, while the sum is 15.

The square root of 111115230 is about 10541.1209081388. The cubic root of 111115230 is about 480.7557971615.

Adding to 111115230 its reverse (32511111), we get a palindrome (143626341).

The spelling of 111115230 in words is "one hundred eleven million, one hundred fifteen thousand, two hundred thirty".