11573356673 has 2 divisors, whose sum is σ = 11573356674. Its totient is φ = 11573356672.

The previous prime is 11573356661. The next prime is 11573356721. The reversal of 11573356673 is 37665337511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11443008784 + 130347889 = 106972^2 + 11417^2 .

It is an emirp because it is prime and its reverse (37665337511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11573356673 - 2⁶ = 11573356609 is a prime.

It is not a weakly prime, because it can be changed into another prime (11573356973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5786678336 + 5786678337.

It is an arithmetic number, because the mean of its divisors is an integer number (5786678337).

Almost surely, 2^11573356673 is an apocalyptic number.

It is an amenable number.

11573356673 is a deficient number, since it is larger than the sum of its proper divisors (1).

11573356673 is an equidigital number, since it uses as much as digits as its factorization.

11573356673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1190700, while the sum is 47.

The spelling of 11573356673 in words is "eleven billion, five hundred seventy-three million, three hundred fifty-six thousand, six hundred seventy-three".