11643696101 has 2 divisors, whose sum is σ = 11643696102. Its totient is φ = 11643696100.

The previous prime is 11643696089. The next prime is 11643696139. The reversal of 11643696101 is 10169634611.

11643696101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (11643696139) can be obtained adding 11643696101 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7598608900 + 4045087201 = 87170^2 + 63601^2 .

It is a cyclic number.

It is not a de Polignac number, because 11643696101 - 2¹⁴ = 11643679717 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11643696601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5821848050 + 5821848051.

It is an arithmetic number, because the mean of its divisors is an integer number (5821848051).

Almost surely, 2^11643696101 is an apocalyptic number.

It is an amenable number.

11643696101 is a deficient number, since it is larger than the sum of its proper divisors (1).

11643696101 is an equidigital number, since it uses as much as digits as its factorization.

11643696101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 11643696101 in words is "eleven billion, six hundred forty-three million, six hundred ninety-six thousand, one hundred one".