1116964543 has 2 divisors, whose sum is σ = 1116964544. Its totient is φ = 1116964542.

The previous prime is 1116964501. The next prime is 1116964561. The reversal of 1116964543 is 3454696111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1116964543 - 2⁹ = 1116964031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1116964496 and 1116964505.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116964573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558482271 + 558482272.

It is an arithmetic number, because the mean of its divisors is an integer number (558482272).

Almost surely, 2^1116964543 is an apocalyptic number.

1116964543 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116964543 is an equidigital number, since it uses as much as digits as its factorization.

1116964543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 40.

The square root of 1116964543 is about 33421.0194787652. The cubic root of 1116964543 is about 1037.5597814878.

The spelling of 1116964543 in words is "one billion, one hundred sixteen million, nine hundred sixty-four thousand, five hundred forty-three".