1116665113 has 2 divisors, whose sum is σ = 1116665114. Its totient is φ = 1116665112.

The previous prime is 1116665107. The next prime is 1116665117. The reversal of 1116665113 is 3115666111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081949449 + 34715664 = 32893^2 + 5892^2 .

It is an emirp because it is prime and its reverse (3115666111) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116665113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1116665117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558332556 + 558332557.

It is an arithmetic number, because the mean of its divisors is an integer number (558332557).

Almost surely, 2^1116665113 is an apocalyptic number.

It is an amenable number.

1116665113 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116665113 is an equidigital number, since it uses as much as digits as its factorization.

1116665113 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3240, while the sum is 31.

The square root of 1116665113 is about 33416.5395126425. The cubic root of 1116665113 is about 1037.4670586725.

The spelling of 1116665113 in words is "one billion, one hundred sixteen million, six hundred sixty-five thousand, one hundred thirteen".