11056511132789 has 2 divisors, whose sum is σ = 11056511132790. Its totient is φ = 11056511132788.

The previous prime is 11056511132743. The next prime is 11056511132813. The reversal of 11056511132789 is 98723111565011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10983702903889 + 72808228900 = 3314167^2 + 269830^2 .

It is an emirp because it is prime and its reverse (98723111565011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11056511132789 - 2⁸ = 11056511132533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11056511134789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528255566394 + 5528255566395.

It is an arithmetic number, because the mean of its divisors is an integer number (5528255566395).

Almost surely, 2^{11056511132789} is an apocalyptic number.

It is an amenable number.

11056511132789 is a deficient number, since it is larger than the sum of its proper divisors (1).

11056511132789 is an equidigital number, since it uses as much as digits as its factorization.

11056511132789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 50.

The spelling of 11056511132789 in words is "eleven trillion, fifty-six billion, five hundred eleven million, one hundred thirty-two thousand, seven hundred eighty-nine".