11005606065647 has 2 divisors, whose sum is σ = 11005606065648. Its totient is φ = 11005606065646.

The previous prime is 11005606065637. The next prime is 11005606065653. The reversal of 11005606065647 is 74656060650011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11005606065647 - 2¹⁰ = 11005606064623 is a prime.

It is a super-2 number, since 2×11005606065647² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11005606065637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5502803032823 + 5502803032824.

It is an arithmetic number, because the mean of its divisors is an integer number (5502803032824).

Almost surely, 2^{11005606065647} is an apocalyptic number.

11005606065647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11005606065647 is an equidigital number, since it uses as much as digits as its factorization.

11005606065647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 11005606065647 in words is "eleven trillion, five billion, six hundred six million, sixty-five thousand, six hundred forty-seven".