11661056600101 has 2 divisors, whose sum is σ = 11661056600102. Its totient is φ = 11661056600100.

The previous prime is 11661056600069. The next prime is 11661056600111. The reversal of 11661056600101 is 10100665016611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6581559357025 + 5079497243076 = 2565455^2 + 2253774^2 .

It is a cyclic number.

It is not a de Polignac number, because 11661056600101 - 2⁵ = 11661056600069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11661056600111) 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, 5830528300050 + 5830528300051.

It is an arithmetic number, because the mean of its divisors is an integer number (5830528300051).

Almost surely, 2^{11661056600101} is an apocalyptic number.

It is an amenable number.

11661056600101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11661056600101 is an equidigital number, since it uses as much as digits as its factorization.

11661056600101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 11661056600101 in words is "eleven trillion, six hundred sixty-one billion, fifty-six million, six hundred thousand, one hundred one".