1123446666899 has 4 divisors (see below), whose sum is σ = 1123533721464. Its totient is φ = 1123359612336.

The previous prime is 1123446666893. The next prime is 1123446666943. The reversal of 1123446666899 is 9986666443211.

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

It is a cyclic number.

It is not a de Polignac number, because 1123446666899 - 2²⁴ = 1123429889683 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (1123446666893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43507922 + ... + 43533735.

It is an arithmetic number, because the mean of its divisors is an integer number (280883430366).

Almost surely, 2^{1123446666899} is an apocalyptic number.

1123446666899 is a deficient number, since it is larger than the sum of its proper divisors (87054565).

1123446666899 is an equidigital number, since it uses as much as digits as its factorization.

1123446666899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87054564.

The product of its digits is 80621568, while the sum is 65.

The spelling of 1123446666899 in words is "one trillion, one hundred twenty-three billion, four hundred forty-six million, six hundred sixty-six thousand, eight hundred ninety-nine".