11010565081 has 2 divisors, whose sum is σ = 11010565082. Its totient is φ = 11010565080.

The previous prime is 11010565067. The next prime is 11010565109. The reversal of 11010565081 is 18056501011.

11010565081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11010565109) can be obtained adding 11010565081 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10596849481 + 413715600 = 102941^2 + 20340^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010565081 - 2²³ = 11002176473 is a prime.

It is a super-2 number, since 2×11010565081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11010565061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505282540 + 5505282541.

It is an arithmetic number, because the mean of its divisors is an integer number (5505282541).

Almost surely, 2^11010565081 is an apocalyptic number.

It is an amenable number.

11010565081 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010565081 is an equidigital number, since it uses as much as digits as its factorization.

11010565081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1200, while the sum is 28.

The spelling of 11010565081 in words is "eleven billion, ten million, five hundred sixty-five thousand, eighty-one".