1116146791 has 2 divisors, whose sum is σ = 1116146792. Its totient is φ = 1116146790.

The previous prime is 1116146777. The next prime is 1116146797. The reversal of 1116146791 is 1976416111.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1116146791 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1116146791.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1116146797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 558073395 + 558073396.

It is an arithmetic number, because the mean of its divisors is an integer number (558073396).

Almost surely, 2^1116146791 is an apocalyptic number.

1116146791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1116146791 is an equidigital number, since it uses as much as digits as its factorization.

1116146791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 37.

The square root of 1116146791 is about 33408.7831415632. The cubic root of 1116146791 is about 1037.3065136063.

The spelling of 1116146791 in words is "one billion, one hundred sixteen million, one hundred forty-six thousand, seven hundred ninety-one".