111304380 has 48 divisors (see below), whose sum is σ = 339986304. Its totient is φ = 26982720.

The previous prime is 111304373. The next prime is 111304397. The reversal of 111304380 is 83403111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83662 + ... + 84981.

It is an arithmetic number, because the mean of its divisors is an integer number (7083048).

Almost surely, 2^111304380 is an apocalyptic number.

111304380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111304380 is an abundant number, since it is smaller than the sum of its proper divisors (228681924).

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

111304380 is a wasteful number, since it uses less digits than its factorization.

111304380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168666 (or 168664 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 111304380 is about 10550.0890991498. The cubic root of 111304380 is about 481.0284372806.

Adding to 111304380 its reverse (83403111), we get a palindrome (194707491).

The spelling of 111304380 in words is "one hundred eleven million, three hundred four thousand, three hundred eighty".