11233344556789 has 2 divisors, whose sum is σ = 11233344556790. Its totient is φ = 11233344556788.

The previous prime is 11233344556783. The next prime is 11233344556799. The reversal of 11233344556789 is 98765544333211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8506800556164 + 2726544000625 = 2916642^2 + 1651225^2 .

It is a cyclic number.

It is not a de Polignac number, because 11233344556789 - 2⁷ = 11233344556661 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11233344556783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5616672278394 + 5616672278395.

It is an arithmetic number, because the mean of its divisors is an integer number (5616672278395).

Almost surely, 2^{11233344556789} is an apocalyptic number.

It is an amenable number.

11233344556789 is a deficient number, since it is larger than the sum of its proper divisors (1).

11233344556789 is an equidigital number, since it uses as much as digits as its factorization.

11233344556789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65318400, while the sum is 61.

The spelling of 11233344556789 in words is "eleven trillion, two hundred thirty-three billion, three hundred forty-four million, five hundred fifty-six thousand, seven hundred eighty-nine".