111009340 has 36 divisors (see below), whose sum is σ = 252438984. Its totient is φ = 40986816.

The previous prime is 111009323. The next prime is 111009341. The reversal of 111009340 is 43900111.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111009341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13042 + ... + 19801.

It is an arithmetic number, because the mean of its divisors is an integer number (7012194).

Almost surely, 2^111009340 is an apocalyptic number.

111009340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111009340 is an abundant number, since it is smaller than the sum of its proper divisors (141429644).

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

111009340 is a wasteful number, since it uses less digits than its factorization.

111009340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32878 (or 32863 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 111009340 is about 10536.0970003128. The cubic root of 111009340 is about 480.6030325914.

Adding to 111009340 its reverse (43900111), we get a palindrome (154909451).

The spelling of 111009340 in words is "one hundred eleven million, nine thousand, three hundred forty".