11056010989 has 2 divisors, whose sum is σ = 11056010990. Its totient is φ = 11056010988.

The previous prime is 11056010971. The next prime is 11056011017. The reversal of 11056010989 is 98901065011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10743322500 + 312688489 = 103650^2 + 17683^2 .

It is a cyclic number.

It is not a de Polignac number, because 11056010989 - 2⁵ = 11056010957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11056010939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5528005494 + 5528005495.

It is an arithmetic number, because the mean of its divisors is an integer number (5528005495).

Almost surely, 2^11056010989 is an apocalyptic number.

It is an amenable number.

11056010989 is a deficient number, since it is larger than the sum of its proper divisors (1).

11056010989 is an equidigital number, since it uses as much as digits as its factorization.

11056010989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 40.

The spelling of 11056010989 in words is "eleven billion, fifty-six million, ten thousand, nine hundred eighty-nine".