11011101120989 has 2 divisors, whose sum is σ = 11011101120990. Its totient is φ = 11011101120988.

The previous prime is 11011101120967. The next prime is 11011101121021. The reversal of 11011101120989 is 98902110111011.

11011101120989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10792341928900 + 218759192089 = 3285170^2 + 467717^2 .

It is a cyclic number.

It is not a de Polignac number, because 11011101120989 - 2⁴⁰ = 9911589493213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11011101120959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505550560494 + 5505550560495.

It is an arithmetic number, because the mean of its divisors is an integer number (5505550560495).

Almost surely, 2^{11011101120989} is an apocalyptic number.

It is an amenable number.

11011101120989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11011101120989 is an equidigital number, since it uses as much as digits as its factorization.

11011101120989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 35.

The spelling of 11011101120989 in words is "eleven trillion, eleven billion, one hundred one million, one hundred twenty thousand, nine hundred eighty-nine".