10989259328865 has 48 divisors (see below), whose sum is σ = 19280452723200. Its totient is φ = 5338235965440.

The previous prime is 10989259328833. The next prime is 10989259328891. The reversal of 10989259328865 is 56882395298901.

It is not a de Polignac number, because 10989259328865 - 2⁵ = 10989259328833 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40752840 + ... + 41021609.

It is an arithmetic number, because the mean of its divisors is an integer number (401676098400).

Almost surely, 2^{10989259328865} is an apocalyptic number.

10989259328865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10989259328865 is a deficient number, since it is larger than the sum of its proper divisors (8291193394335).

10989259328865 is a wasteful number, since it uses less digits than its factorization.

10989259328865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81774522 (or 81774505 counting only the distinct ones).

The product of its (nonzero) digits is 671846400, while the sum is 75.

The spelling of 10989259328865 in words is "ten trillion, nine hundred eighty-nine billion, two hundred fifty-nine million, three hundred twenty-eight thousand, eight hundred sixty-five".