8813530000081 has 27 divisors (see below), whose sum is σ = 9197914890801. Its totient is φ = 8444860601184.

The previous prime is 8813530000039. The next prime is 8813530000087. The reversal of 8813530000081 is 1800000353188.

The square root of 8813530000081 is 2968759.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 3691528182225 + 5122001817856 = 1921335^2 + 2263184^2 .

It is not a de Polignac number, because 8813530000081 - 2¹¹ = 8813529998033 is a prime.

It is a super-2 number, since 2×8813530000081² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8813530000087) 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 in 26 ways as a sum of consecutive naturals, for example, 14377699531 + ... + 14377700143.

Almost surely, 2^{8813530000081} is an apocalyptic number.

8813530000081 is the 2968759-th square number.

8813530000081 is the 1484380-th centered octagonal number.

It is an amenable number.

8813530000081 is a deficient number, since it is larger than the sum of its proper divisors (384384890720).

8813530000081 is an frugal number, since it uses more digits than its factorization.

8813530000081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The spelling of 8813530000081 in words is "eight trillion, eight hundred thirteen billion, five hundred thirty million, eighty-one", and thus it is an aban number.