11066555117 has 2 divisors, whose sum is σ = 11066555118. Its totient is φ = 11066555116.

The previous prime is 11066555113. The next prime is 11066555167. The reversal of 11066555117 is 71155566011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7954142596 + 3112412521 = 89186^2 + 55789^2 .

It is a cyclic number.

It is not a de Polignac number, because 11066555117 - 2² = 11066555113 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11066555113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5533277558 + 5533277559.

It is an arithmetic number, because the mean of its divisors is an integer number (5533277559).

Almost surely, 2^11066555117 is an apocalyptic number.

It is an amenable number.

11066555117 is a deficient number, since it is larger than the sum of its proper divisors (1).

11066555117 is an equidigital number, since it uses as much as digits as its factorization.

11066555117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 38.

The spelling of 11066555117 in words is "eleven billion, sixty-six million, five hundred fifty-five thousand, one hundred seventeen".