111346009 has 4 divisors (see below), whose sum is σ = 112494004. Its totient is φ = 110198016.

The previous prime is 111346003. The next prime is 111346043. The reversal of 111346009 is 900643111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 77088400 + 34257609 = 8780^2 + 5853^2 .

It is a cyclic number.

It is not a de Polignac number, because 111346009 - 2⁷ = 111345881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111346003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573852 + ... + 574045.

It is an arithmetic number, because the mean of its divisors is an integer number (28123501).

Almost surely, 2^111346009 is an apocalyptic number.

It is an amenable number.

111346009 is a deficient number, since it is larger than the sum of its proper divisors (1147995).

111346009 is an equidigital number, since it uses as much as digits as its factorization.

111346009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1147994.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 111346009 is about 10552.0618364375. The cubic root of 111346009 is about 481.0883996914.

The spelling of 111346009 in words is "one hundred eleven million, three hundred forty-six thousand, nine".