14009978565811 has 2 divisors, whose sum is σ = 14009978565812. Its totient is φ = 14009978565810.

The previous prime is 14009978565809. The next prime is 14009978565851. The reversal of 14009978565811 is 11856587990041.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14009978565811 - 2¹ = 14009978565809 is a prime.

Together with 14009978565809, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14009978565851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7004989282905 + 7004989282906.

It is an arithmetic number, because the mean of its divisors is an integer number (7004989282906).

Almost surely, 2^{14009978565811} is an apocalyptic number.

14009978565811 is a deficient number, since it is larger than the sum of its proper divisors (1).

14009978565811 is an equidigital number, since it uses as much as digits as its factorization.

14009978565811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21772800, while the sum is 64.

The spelling of 14009978565811 in words is "fourteen trillion, nine billion, nine hundred seventy-eight million, five hundred sixty-five thousand, eight hundred eleven".