1088066775865 has 8 divisors (see below), whose sum is σ = 1306362672648. Its totient is φ = 869998392960.

The previous prime is 1088066775853. The next prime is 1088066775889. The reversal of 1088066775865 is 5685776608801.

It can be written as a sum of positive squares in 4 ways, for example, as 510933321616 + 577133454249 = 714796^2 + 759693^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1088066775865 - 2¹¹ = 1088066773817 is a prime.

It is a super-2 number, since 2×1088066775865² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1088066775865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56867946 + ... + 56887075.

It is an arithmetic number, because the mean of its divisors is an integer number (163295334081).

Almost surely, 2^{1088066775865} is an apocalyptic number.

It is an amenable number.

1088066775865 is a deficient number, since it is larger than the sum of its proper divisors (218295896783).

1088066775865 is a wasteful number, since it uses less digits than its factorization.

1088066775865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113756939.

The product of its (nonzero) digits is 135475200, while the sum is 67.

The spelling of 1088066775865 in words is "one trillion, eighty-eight billion, sixty-six million, seven hundred seventy-five thousand, eight hundred sixty-five".