1111099999843 has 2 divisors, whose sum is σ = 1111099999844. Its totient is φ = 1111099999842.

The previous prime is 1111099999811. The next prime is 1111099999847. The reversal of 1111099999843 is 3489999901111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1111099999843 - 2⁵ = 1111099999811 is a prime.

It is a super-2 number, since 2×1111099999843² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1111099999847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555549999921 + 555549999922.

It is an arithmetic number, because the mean of its divisors is an integer number (555549999922).

Almost surely, 2^{1111099999843} is an apocalyptic number.

1111099999843 is a deficient number, since it is larger than the sum of its proper divisors (1).

1111099999843 is an equidigital number, since it uses as much as digits as its factorization.

1111099999843 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5668704, while the sum is 64.

The spelling of 1111099999843 in words is "one trillion, one hundred eleven billion, ninety-nine million, nine hundred ninety-nine thousand, eight hundred forty-three".