11616620340529 has 2 divisors, whose sum is σ = 11616620340530. Its totient is φ = 11616620340528.

The previous prime is 11616620340517. The next prime is 11616620340569. The reversal of 11616620340529 is 92504302661611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7487189930529 + 4129430410000 = 2736273^2 + 2032100^2 .

It is a cyclic number.

It is not a de Polignac number, because 11616620340529 - 2⁷ = 11616620340401 is a prime.

It is not a weakly prime, because it can be changed into another prime (11616620340569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5808310170264 + 5808310170265.

It is an arithmetic number, because the mean of its divisors is an integer number (5808310170265).

Almost surely, 2^{11616620340529} is an apocalyptic number.

It is an amenable number.

11616620340529 is a deficient number, since it is larger than the sum of its proper divisors (1).

11616620340529 is an equidigital number, since it uses as much as digits as its factorization.

11616620340529 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 466560, while the sum is 46.

The spelling of 11616620340529 in words is "eleven trillion, six hundred sixteen billion, six hundred twenty million, three hundred forty thousand, five hundred twenty-nine".