11211207916807 has 2 divisors, whose sum is σ = 11211207916808. Its totient is φ = 11211207916806.

The previous prime is 11211207916703. The next prime is 11211207916819. The reversal of 11211207916807 is 70861970211211.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11211207916807 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11211207976807) 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, 5605603958403 + 5605603958404.

It is an arithmetic number, because the mean of its divisors is an integer number (5605603958404).

Almost surely, 2^{11211207916807} is an apocalyptic number.

11211207916807 is a deficient number, since it is larger than the sum of its proper divisors (1).

11211207916807 is an equidigital number, since it uses as much as digits as its factorization.

11211207916807 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 46.

The spelling of 11211207916807 in words is "eleven trillion, two hundred eleven billion, two hundred seven million, nine hundred sixteen thousand, eight hundred seven".