112551689 has 2 divisors, whose sum is σ = 112551690. Its totient is φ = 112551688.

The previous prime is 112551671. The next prime is 112551707. The reversal of 112551689 is 986155211.

It is a balanced prime because it is at equal distance from previous prime (112551671) and next prime (112551707).

It can be written as a sum of positive squares in only one way, i.e., 62141689 + 50410000 = 7883^2 + 7100^2 .

It is an emirp because it is prime and its reverse (986155211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112551689 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (112551629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56275844 + 56275845.

It is an arithmetic number, because the mean of its divisors is an integer number (56275845).

Almost surely, 2^112551689 is an apocalyptic number.

It is an amenable number.

112551689 is a deficient number, since it is larger than the sum of its proper divisors (1).

112551689 is an equidigital number, since it uses as much as digits as its factorization.

112551689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 38.

The square root of 112551689 is about 10609.0380808064. The cubic root of 112551689 is about 482.8186145838.

The spelling of 112551689 in words is "one hundred twelve million, five hundred fifty-one thousand, six hundred eighty-nine".