111430080 has 168 divisors, whose sum is σ = 397745712. Its totient is φ = 29693952.

The previous prime is 111430069. The next prime is 111430129. The reversal of 111430080 is 80034111.

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

It is a congruent number.

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, 77044 + ... + 78476.

It is an arithmetic number, because the mean of its divisors is an integer number (2367534).

Almost surely, 2^111430080 is an apocalyptic number.

111430080 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 111430080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (198872856).

111430080 is an abundant number, since it is smaller than the sum of its proper divisors (286315632).

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

111430080 is an equidigital number, since it uses as much as digits as its factorization.

111430080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 111430080 is about 10556.0447138121. The cubic root of 111430080 is about 481.2094500044.

Adding to 111430080 its reverse (80034111), we get a palindrome (191464191).

The spelling of 111430080 in words is "one hundred eleven million, four hundred thirty thousand, eighty".