11111666673323 has 2 divisors, whose sum is σ = 11111666673324. Its totient is φ = 11111666673322.

The previous prime is 11111666673319. The next prime is 11111666673347. The reversal of 11111666673323 is 32337666611111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11111666673323 - 2² = 11111666673319 is a prime.

It is not a weakly prime, because it can be changed into another prime (11111666673223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5555833336661 + 5555833336662.

It is an arithmetic number, because the mean of its divisors is an integer number (5555833336662).

Almost surely, 2^{11111666673323} is an apocalyptic number.

11111666673323 is a deficient number, since it is larger than the sum of its proper divisors (1).

11111666673323 is an equidigital number, since it uses as much as digits as its factorization.

11111666673323 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 489888, while the sum is 47.

The spelling of 11111666673323 in words is "eleven trillion, one hundred eleven billion, six hundred sixty-six million, six hundred seventy-three thousand, three hundred twenty-three".