9072011260665 has 24 divisors (see below), whose sum is σ = 15745267978440. Its totient is φ = 4832114171904.

The previous prime is 9072011260661. The next prime is 9072011260673. The reversal of 9072011260665 is 5660621102709.

9072011260665 is a `hidden beast` number, since 9 + 0 + 7 + 20 + 1 + 12 + 606 + 6 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 25006045689 + 9047005214976 = 158133^2 + 3007824^2 .

It is not a de Polignac number, because 9072011260665 - 2² = 9072011260661 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 9072011260665.

It is not an unprimeable number, because it can be changed into a prime (9072011260661) 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 23 ways as a sum of consecutive naturals, for example, 131044882 + ... + 131114091.

It is an arithmetic number, because the mean of its divisors is an integer number (656052832435).

Almost surely, 2^{9072011260665} is an apocalyptic number.

It is an amenable number.

9072011260665 is a deficient number, since it is larger than the sum of its proper divisors (6673256717775).

9072011260665 is a wasteful number, since it uses less digits than its factorization.

9072011260665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262159753 (or 262159750 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 9072011260665 in words is "nine trillion, seventy-two billion, eleven million, two hundred sixty thousand, six hundred sixty-five".