10587816517 has 2 divisors, whose sum is σ = 10587816518. Its totient is φ = 10587816516.

The previous prime is 10587816497. The next prime is 10587816583. The reversal of 10587816517 is 71561878501.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7985388321 + 2602428196 = 89361^2 + 51014^2 .

It is an emirp because it is prime and its reverse (71561878501) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10587816517 is a prime.

It is a super-2 number, since 2×10587816517² (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 (10587816587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5293908258 + 5293908259.

It is an arithmetic number, because the mean of its divisors is an integer number (5293908259).

Almost surely, 2^10587816517 is an apocalyptic number.

It is an amenable number.

10587816517 is a deficient number, since it is larger than the sum of its proper divisors (1).

10587816517 is an equidigital number, since it uses as much as digits as its factorization.

10587816517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 470400, while the sum is 49.

The spelling of 10587816517 in words is "ten billion, five hundred eighty-seven million, eight hundred sixteen thousand, five hundred seventeen".