8751012535081 has 4 divisors (see below), whose sum is σ = 8841229159252. Its totient is φ = 8660795910912.

The previous prime is 8751012535051. The next prime is 8751012535091. The reversal of 8751012535081 is 1805352101578.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2363721753600 + 6387290781481 = 1537440^2 + 2527309^2 .

It is a cyclic number.

It is not a de Polignac number, because 8751012535081 - 2⁵ = 8751012535049 is a prime.

It is a super-2 number, since 2×8751012535081² (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 (8751012535051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45108311940 + ... + 45108312133.

It is an arithmetic number, because the mean of its divisors is an integer number (2210307289813).

Almost surely, 2^{8751012535081} is an apocalyptic number.

It is an amenable number.

8751012535081 is a deficient number, since it is larger than the sum of its proper divisors (90216624171).

8751012535081 is an equidigital number, since it uses as much as digits as its factorization.

8751012535081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90216624170.

The product of its (nonzero) digits is 336000, while the sum is 46.

The spelling of 8751012535081 in words is "eight trillion, seven hundred fifty-one billion, twelve million, five hundred thirty-five thousand, eighty-one".