112543117009 has 2 divisors, whose sum is σ = 112543117010. Its totient is φ = 112543117008.

The previous prime is 112543117007. The next prime is 112543117019. The reversal of 112543117009 is 900711345211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110436582400 + 2106534609 = 332320^2 + 45897^2 .

It is a cyclic number.

It is not a de Polignac number, because 112543117009 - 2¹ = 112543117007 is a prime.

It is a super-2 number, since 2×112543117009² (a number of 23 digits) contains 22 as substring.

Together with 112543117007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (112543117003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56271558504 + 56271558505.

It is an arithmetic number, because the mean of its divisors is an integer number (56271558505).

Almost surely, 2^112543117009 is an apocalyptic number.

It is an amenable number.

112543117009 is a deficient number, since it is larger than the sum of its proper divisors (1).

112543117009 is an equidigital number, since it uses as much as digits as its factorization.

112543117009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 34.

The spelling of 112543117009 in words is "one hundred twelve billion, five hundred forty-three million, one hundred seventeen thousand, nine".