16271510017123 has 2 divisors, whose sum is σ = 16271510017124. Its totient is φ = 16271510017122.

The previous prime is 16271510017097. The next prime is 16271510017151. The reversal of 16271510017123 is 32171001517261.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16271510017123 is a prime.

It is not a weakly prime, because it can be changed into another prime (16271510017163) 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, 8135755008561 + 8135755008562.

It is an arithmetic number, because the mean of its divisors is an integer number (8135755008562).

Almost surely, 2^{16271510017123} is an apocalyptic number.

16271510017123 is a deficient number, since it is larger than the sum of its proper divisors (1).

16271510017123 is an equidigital number, since it uses as much as digits as its factorization.

16271510017123 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 37.

The spelling of 16271510017123 in words is "sixteen trillion, two hundred seventy-one billion, five hundred ten million, seventeen thousand, one hundred twenty-three".