11010565109 has 2 divisors, whose sum is σ = 11010565110. Its totient is φ = 11010565108.

The previous prime is 11010565081. The next prime is 11010565133. The reversal of 11010565109 is 90156501011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9434236900 + 1576328209 = 97130^2 + 39703^2 .

It is a cyclic number.

It is not a de Polignac number, because 11010565109 - 2²⁰ = 11009516533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11010565199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5505282554 + 5505282555.

It is an arithmetic number, because the mean of its divisors is an integer number (5505282555).

Almost surely, 2^11010565109 is an apocalyptic number.

It is an amenable number.

11010565109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11010565109 is an equidigital number, since it uses as much as digits as its factorization.

11010565109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1350, while the sum is 29.

The spelling of 11010565109 in words is "eleven billion, ten million, five hundred sixty-five thousand, one hundred nine".