16056215552249 has 2 divisors, whose sum is σ = 16056215552250. Its totient is φ = 16056215552248.

The previous prime is 16056215552183. The next prime is 16056215552263. The reversal of 16056215552249 is 94225551265061.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8841791455225 + 7214424097024 = 2973515^2 + 2685968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16056215552249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 16056215552249.

It is not a weakly prime, because it can be changed into another prime (16056215552749) 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, 8028107776124 + 8028107776125.

It is an arithmetic number, because the mean of its divisors is an integer number (8028107776125).

Almost surely, 2^{16056215552249} is an apocalyptic number.

It is an amenable number.

16056215552249 is a deficient number, since it is larger than the sum of its proper divisors (1).

16056215552249 is an equidigital number, since it uses as much as digits as its factorization.

16056215552249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480000, while the sum is 53.

The spelling of 16056215552249 in words is "sixteen trillion, fifty-six billion, two hundred fifteen million, five hundred fifty-two thousand, two hundred forty-nine".