16012861306049 has 2 divisors, whose sum is σ = 16012861306050. Its totient is φ = 16012861306048.

The previous prime is 16012861306009. The next prime is 16012861306109. The reversal of 16012861306049 is 94060316821061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13657348492225 + 2355512813824 = 3695585^2 + 1534768^2 .

It is a cyclic number.

It is not a de Polignac number, because 16012861306049 - 2¹⁶ = 16012861240513 is a prime.

It is a super-2 number, since 2×16012861306049² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16012861305994 and 16012861306012.

It is not a weakly prime, because it can be changed into another prime (16012861306009) 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, 8006430653024 + 8006430653025.

It is an arithmetic number, because the mean of its divisors is an integer number (8006430653025).

Almost surely, 2^{16012861306049} is an apocalyptic number.

It is an amenable number.

16012861306049 is a deficient number, since it is larger than the sum of its proper divisors (1).

16012861306049 is an equidigital number, since it uses as much as digits as its factorization.

16012861306049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 47.

The spelling of 16012861306049 in words is "sixteen trillion, twelve billion, eight hundred sixty-one million, three hundred six thousand, forty-nine".