10530138517 has 2 divisors, whose sum is σ = 10530138518. Its totient is φ = 10530138516.

The previous prime is 10530138499. The next prime is 10530138557. The reversal of 10530138517 is 71583103501.

10530138517 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., 10529632996 + 505521 = 102614^2 + 711^2 .

It is a cyclic number.

It is not a de Polignac number, because 10530138517 - 2¹¹ = 10530136469 is a prime.

It is a super-2 number, since 2×10530138517² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10530138557) 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, 5265069258 + 5265069259.

It is an arithmetic number, because the mean of its divisors is an integer number (5265069259).

Almost surely, 2^10530138517 is an apocalyptic number.

It is an amenable number.

10530138517 is a deficient number, since it is larger than the sum of its proper divisors (1).

10530138517 is an equidigital number, since it uses as much as digits as its factorization.

10530138517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 34.

The spelling of 10530138517 in words is "ten billion, five hundred thirty million, one hundred thirty-eight thousand, five hundred seventeen".