8109000908361 has 12 divisors (see below), whose sum is σ = 12402001389492. Its totient is φ = 5088000569856.

The previous prime is 8109000908357. The next prime is 8109000908369. The reversal of 8109000908361 is 1638090009018.

It can be written as a sum of positive squares in 2 ways, for example, as 6922981896336 + 1186019012025 = 2631156^2 + 1089045^2 .

It is not a de Polignac number, because 8109000908361 - 2² = 8109000908357 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8109000908369) 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 in 11 ways as a sum of consecutive naturals, for example, 26500002816 + ... + 26500003121.

It is an arithmetic number, because the mean of its divisors is an integer number (1033500115791).

Almost surely, 2^{8109000908361} is an apocalyptic number.

It is an amenable number.

8109000908361 is a deficient number, since it is larger than the sum of its proper divisors (4293000481131).

8109000908361 is a wasteful number, since it uses less digits than its factorization.

8109000908361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53000005960 (or 53000005957 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 45.

The spelling of 8109000908361 in words is "eight trillion, one hundred nine billion, nine hundred eight thousand, three hundred sixty-one".