16987137285611 has 2 divisors, whose sum is σ = 16987137285612. Its totient is φ = 16987137285610.

The previous prime is 16987137285607. The next prime is 16987137285637. The reversal of 16987137285611 is 11658273178961.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16987137285611 - 2² = 16987137285607 is a prime.

It is not a weakly prime, because it can be changed into another prime (16987137287611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8493568642805 + 8493568642806.

It is an arithmetic number, because the mean of its divisors is an integer number (8493568642806).

Almost surely, 2^{16987137285611} is an apocalyptic number.

16987137285611 is a deficient number, since it is larger than the sum of its proper divisors (1).

16987137285611 is an equidigital number, since it uses as much as digits as its factorization.

16987137285611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30481920, while the sum is 65.

The spelling of 16987137285611 in words is "sixteen trillion, nine hundred eighty-seven billion, one hundred thirty-seven million, two hundred eighty-five thousand, six hundred eleven".