1116606423865 has 4 divisors (see below), whose sum is σ = 1339927708644. Its totient is φ = 893285139088.

The previous prime is 1116606423841. The next prime is 1116606423883. The reversal of 1116606423865 is 5683246066111.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 190186698816 + 926419725049 = 436104^2 + 962507^2 .

It is a cyclic number.

It is not a de Polignac number, because 1116606423865 - 2¹⁷ = 1116606292793 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111660642382 + ... + 111660642391.

It is an arithmetic number, because the mean of its divisors is an integer number (334981927161).

Almost surely, 2^{1116606423865} is an apocalyptic number.

It is an amenable number.

1116606423865 is a deficient number, since it is larger than the sum of its proper divisors (223321284779).

1116606423865 is an equidigital number, since it uses as much as digits as its factorization.

1116606423865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223321284778.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 1116606423865 in words is "one trillion, one hundred sixteen billion, six hundred six million, four hundred twenty-three thousand, eight hundred sixty-five".