13058766835481 has 2 divisors, whose sum is σ = 13058766835482. Its totient is φ = 13058766835480.

The previous prime is 13058766835451. The next prime is 13058766835537. The reversal of 13058766835481 is 18453866785031.

13058766835481 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., 10290519757456 + 2768247078025 = 3207884^2 + 1663805^2 .

It is an emirp because it is prime and its reverse (18453866785031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13058766835481 - 2¹⁴ = 13058766819097 is a prime.

It is a super-2 number, since 2×13058766835481² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13058766835451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6529383417740 + 6529383417741.

It is an arithmetic number, because the mean of its divisors is an integer number (6529383417741).

Almost surely, 2^{13058766835481} is an apocalyptic number.

It is an amenable number.

13058766835481 is a deficient number, since it is larger than the sum of its proper divisors (1).

13058766835481 is an equidigital number, since it uses as much as digits as its factorization.

13058766835481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 116121600, while the sum is 65.

The spelling of 13058766835481 in words is "thirteen trillion, fifty-eight billion, seven hundred sixty-six million, eight hundred thirty-five thousand, four hundred eighty-one".