8112135008761 has 9 divisors (see below), whose sum is σ = 9436588406661. Its totient is φ = 6953241489852.

The previous prime is 8112135008759. The next prime is 8112135008767. The reversal of 8112135008761 is 1678005312118.

The square root of 8112135008761 is 2848181.

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

It is not a de Polignac number, because 8112135008761 - 2¹ = 8112135008759 is a prime.

It is a super-3 number, since 3×8112135008761³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8112135008767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19733826 + ... + 20140708.

Almost surely, 2^{8112135008761} is an apocalyptic number.

8112135008761 is the 2848181-st square number.

8112135008761 is the 1424091-st centered octagonal number.

It is an amenable number.

8112135008761 is a deficient number, since it is larger than the sum of its proper divisors (1324453397900).

8112135008761 is an frugal number, since it uses more digits than its factorization.

8112135008761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 813780 (or 406890 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 43.

The spelling of 8112135008761 in words is "eight trillion, one hundred twelve billion, one hundred thirty-five million, eight thousand, seven hundred sixty-one".