16513055441 has 2 divisors, whose sum is σ = 16513055442. Its totient is φ = 16513055440.

The previous prime is 16513055431. The next prime is 16513055483. The reversal of 16513055441 is 14455031561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12356545600 + 4156509841 = 111160^2 + 64471^2 .

It is a cyclic number.

It is not a de Polignac number, because 16513055441 - 2¹⁰ = 16513054417 is a prime.

It is not a weakly prime, because it can be changed into another prime (16513055431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8256527720 + 8256527721.

It is an arithmetic number, because the mean of its divisors is an integer number (8256527721).

Almost surely, 2^16513055441 is an apocalyptic number.

It is an amenable number.

16513055441 is a deficient number, since it is larger than the sum of its proper divisors (1).

16513055441 is an equidigital number, since it uses as much as digits as its factorization.

16513055441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 16513055441 in words is "sixteen billion, five hundred thirteen million, fifty-five thousand, four hundred forty-one".