11234445556673 has 2 divisors, whose sum is σ = 11234445556674. Its totient is φ = 11234445556672.

The previous prime is 11234445556657. The next prime is 11234445556699. The reversal of 11234445556673 is 37665554443211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7631920083649 + 3602525473024 = 2762593^2 + 1898032^2 .

It is an emirp because it is prime and its reverse (37665554443211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11234445556673 - 2⁴ = 11234445556657 is a prime.

It is not a weakly prime, because it can be changed into another prime (11234445550673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5617222778336 + 5617222778337.

It is an arithmetic number, because the mean of its divisors is an integer number (5617222778337).

Almost surely, 2^{11234445556673} is an apocalyptic number.

It is an amenable number.

11234445556673 is a deficient number, since it is larger than the sum of its proper divisors (1).

11234445556673 is an equidigital number, since it uses as much as digits as its factorization.

11234445556673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288000, while the sum is 56.

Adding to 11234445556673 its reverse (37665554443211), we get a palindrome (48899999999884).

The spelling of 11234445556673 in words is "eleven trillion, two hundred thirty-four billion, four hundred forty-five million, five hundred fifty-six thousand, six hundred seventy-three".