16001065556011 has 2 divisors, whose sum is σ = 16001065556012. Its totient is φ = 16001065556010.

The previous prime is 16001065555957. The next prime is 16001065556291. The reversal of 16001065556011 is 11065556010061.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16001065556011 - 2⁷ = 16001065555883 is a prime.

It is a super-3 number, since 3×16001065556011³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (16001065556611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8000532778005 + 8000532778006.

It is an arithmetic number, because the mean of its divisors is an integer number (8000532778006).

Almost surely, 2^{16001065556011} is an apocalyptic number.

16001065556011 is a deficient number, since it is larger than the sum of its proper divisors (1).

16001065556011 is an equidigital number, since it uses as much as digits as its factorization.

16001065556011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27000, while the sum is 37.

The spelling of 16001065556011 in words is "sixteen trillion, one billion, sixty-five million, five hundred fifty-six thousand, eleven".