8081136594756 has 27 divisors (see below), whose sum is σ = 20427360618301. Its totient is φ = 2693706512784.

The previous prime is 8081136594691. The next prime is 8081136594757. The reversal of 8081136594756 is 6574956311808.

The square root of 8081136594756 is 2842734.

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

8081136594756 is a `hidden beast` number, since 8 + 0 + 8 + 1 + 1 + 36 + 594 + 7 + 5 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6229686532356 + 1851450062400 = 2495934^2 + 1360680^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8081136594693 and 8081136594702.

It is not an unprimeable number, because it can be changed into a prime (8081136594757) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16819510 + ... + 17293298.

Almost surely, 2^{8081136594756} is an apocalyptic number.

8081136594756 is the 2842734-th square number.

It is an amenable number.

8081136594756 is an abundant number, since it is smaller than the sum of its proper divisors (12346224023545).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8081136594756 is an frugal number, since it uses more digits than its factorization.

8081136594756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947588 (or 473794 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 63.

The spelling of 8081136594756 in words is "eight trillion, eighty-one billion, one hundred thirty-six million, five hundred ninety-four thousand, seven hundred fifty-six".