11217867563701 has 2 divisors, whose sum is σ = 11217867563702. Its totient is φ = 11217867563700.

The previous prime is 11217867563699. The next prime is 11217867563743. The reversal of 11217867563701 is 10736576871211.

11217867563701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7643007630801 + 3574859932900 = 2764599^2 + 1890730^2 .

It is an emirp because it is prime and its reverse (10736576871211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11217867563701 - 2¹ = 11217867563699 is a prime.

Together with 11217867563699, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11217867563761) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5608933781850 + 5608933781851.

It is an arithmetic number, because the mean of its divisors is an integer number (5608933781851).

Almost surely, 2^{11217867563701} is an apocalyptic number.

It is an amenable number.

11217867563701 is a deficient number, since it is larger than the sum of its proper divisors (1).

11217867563701 is an equidigital number, since it uses as much as digits as its factorization.

11217867563701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 55.

The spelling of 11217867563701 in words is "eleven trillion, two hundred seventeen billion, eight hundred sixty-seven million, five hundred sixty-three thousand, seven hundred one".