16978102848011 has 2 divisors, whose sum is σ = 16978102848012. Its totient is φ = 16978102848010.

The previous prime is 16978102847989. The next prime is 16978102848071. The reversal of 16978102848011 is 11084820187961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16978102848011 - 2¹⁰ = 16978102846987 is a prime.

It is a super-2 number, since 2×16978102848011² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (16978102848071) 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, 8489051424005 + 8489051424006.

It is an arithmetic number, because the mean of its divisors is an integer number (8489051424006).

Almost surely, 2^{16978102848011} is an apocalyptic number.

16978102848011 is a deficient number, since it is larger than the sum of its proper divisors (1).

16978102848011 is an equidigital number, since it uses as much as digits as its factorization.

16978102848011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1548288, while the sum is 56.

The spelling of 16978102848011 in words is "sixteen trillion, nine hundred seventy-eight billion, one hundred two million, eight hundred forty-eight thousand, eleven".