111608333689 has 2 divisors, whose sum is σ = 111608333690. Its totient is φ = 111608333688.

The previous prime is 111608333647. The next prime is 111608333719. The reversal of 111608333689 is 986333806111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 58330461289 + 53277872400 = 241517^2 + 230820^2 .

It is a cyclic number.

It is not a de Polignac number, because 111608333689 - 2¹³ = 111608325497 is a prime.

It is not a weakly prime, because it can be changed into another prime (111608334689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55804166844 + 55804166845.

It is an arithmetic number, because the mean of its divisors is an integer number (55804166845).

Almost surely, 2^111608333689 is an apocalyptic number.

It is an amenable number.

111608333689 is a deficient number, since it is larger than the sum of its proper divisors (1).

111608333689 is an equidigital number, since it uses as much as digits as its factorization.

111608333689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 559872, while the sum is 49.

The spelling of 111608333689 in words is "one hundred eleven billion, six hundred eight million, three hundred thirty-three thousand, six hundred eighty-nine".