112511689 has 2 divisors, whose sum is σ = 112511690. Its totient is φ = 112511688.

The previous prime is 112511683. The next prime is 112511719. The reversal of 112511689 is 986115211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110607289 + 1904400 = 10517^2 + 1380^2 .

It is an emirp because it is prime and its reverse (986115211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112511689 - 2⁵ = 112511657 is a prime.

It is not a weakly prime, because it can be changed into another prime (112511683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56255844 + 56255845.

It is an arithmetic number, because the mean of its divisors is an integer number (56255845).

Almost surely, 2^112511689 is an apocalyptic number.

It is an amenable number.

112511689 is a deficient number, since it is larger than the sum of its proper divisors (1).

112511689 is an equidigital number, since it uses as much as digits as its factorization.

112511689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4320, while the sum is 34.

The square root of 112511689 is about 10607.1527282301. The cubic root of 112511689 is about 482.7614111392.

The spelling of 112511689 in words is "one hundred twelve million, five hundred eleven thousand, six hundred eighty-nine".