11660065567 has 2 divisors, whose sum is σ = 11660065568. Its totient is φ = 11660065566.

The previous prime is 11660065541. The next prime is 11660065577. The reversal of 11660065567 is 76556006611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11660065567 - 2¹⁹ = 11659541279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11660065507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5830032783 + 5830032784.

It is an arithmetic number, because the mean of its divisors is an integer number (5830032784).

Almost surely, 2^11660065567 is an apocalyptic number.

11660065567 is a deficient number, since it is larger than the sum of its proper divisors (1).

11660065567 is an equidigital number, since it uses as much as digits as its factorization.

11660065567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 43.

The spelling of 11660065567 in words is "eleven billion, six hundred sixty million, sixty-five thousand, five hundred sixty-seven".