16005055513 has 2 divisors, whose sum is σ = 16005055514. Its totient is φ = 16005055512.

The previous prime is 16005055477. The next prime is 16005055571. The reversal of 16005055513 is 31555050061.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15117194304 + 887861209 = 122952^2 + 29797^2 .

It is a cyclic number.

It is not a de Polignac number, because 16005055513 - 2¹³ = 16005047321 is a prime.

It is not a weakly prime, because it can be changed into another prime (16005055013) 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, 8002527756 + 8002527757.

It is an arithmetic number, because the mean of its divisors is an integer number (8002527757).

Almost surely, 2^16005055513 is an apocalyptic number.

It is an amenable number.

16005055513 is a deficient number, since it is larger than the sum of its proper divisors (1).

16005055513 is an equidigital number, since it uses as much as digits as its factorization.

16005055513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11250, while the sum is 31.

The spelling of 16005055513 in words is "sixteen billion, five million, fifty-five thousand, five hundred thirteen".