9112538858681 has 2 divisors, whose sum is σ = 9112538858682. Its totient is φ = 9112538858680.

The previous prime is 9112538858651. The next prime is 9112538858713. The reversal of 9112538858681 is 1868588352119.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9059401693456 + 53137165225 = 3009884^2 + 230515^2 .

It is an emirp because it is prime and its reverse (1868588352119) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9112538858681 - 2³⁰ = 9111465116857 is a prime.

It is a super-2 number, since 2×9112538858681² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9112538858651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4556269429340 + 4556269429341.

It is an arithmetic number, because the mean of its divisors is an integer number (4556269429341).

Almost surely, 2^{9112538858681} is an apocalyptic number.

It is an amenable number.

9112538858681 is a deficient number, since it is larger than the sum of its proper divisors (1).

9112538858681 is an equidigital number, since it uses as much as digits as its factorization.

9112538858681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33177600, while the sum is 65.

The spelling of 9112538858681 in words is "nine trillion, one hundred twelve billion, five hundred thirty-eight million, eight hundred fifty-eight thousand, six hundred eighty-one".