112543117609 has 8 divisors (see below), whose sum is σ = 122272850952. Its totient is φ = 102966608640.

The previous prime is 112543117591. The next prime is 112543117633. The reversal of 112543117609 is 906711345211.

It can be written as a sum of positive squares in 4 ways, for example, as 851472400 + 111691645209 = 29180^2 + 334203^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 112543117609 - 2⁷ = 112543117481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112543117009) 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 7 ways as a sum of consecutive naturals, for example, 38304562 + ... + 38307499.

It is an arithmetic number, because the mean of its divisors is an integer number (15284106369).

Almost surely, 2^112543117609 is an apocalyptic number.

It is an amenable number.

112543117609 is a deficient number, since it is larger than the sum of its proper divisors (9729733343).

112543117609 is a wasteful number, since it uses less digits than its factorization.

112543117609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76612187.

The product of its (nonzero) digits is 45360, while the sum is 40.

The spelling of 112543117609 in words is "one hundred twelve billion, five hundred forty-three million, one hundred seventeen thousand, six hundred nine".