16513128053 has 2 divisors, whose sum is σ = 16513128054. Its totient is φ = 16513128052.

The previous prime is 16513128043. The next prime is 16513128067. The reversal of 16513128053 is 35082131561.

16513128053 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16398595249 + 114532804 = 128057^2 + 10702^2 .

It is a cyclic number.

It is not a de Polignac number, because 16513128053 - 2²⁶ = 16446019189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16513128013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8256564026 + 8256564027.

It is an arithmetic number, because the mean of its divisors is an integer number (8256564027).

Almost surely, 2^16513128053 is an apocalyptic number.

It is an amenable number.

16513128053 is a deficient number, since it is larger than the sum of its proper divisors (1).

16513128053 is an equidigital number, since it uses as much as digits as its factorization.

16513128053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 16513128053 in words is "sixteen billion, five hundred thirteen million, one hundred twenty-eight thousand, fifty-three".