1089217819325 has 24 divisors (see below), whose sum is σ = 1373161806216. Its totient is φ = 856845792000.

The previous prime is 1089217819309. The next prime is 1089217819381. The reversal of 1089217819325 is 5239187129801.

It can be written as a sum of positive squares in 12 ways, for example, as 625508573881 + 463709245444 = 790891^2 + 680962^2 .

It is not a de Polignac number, because 1089217819325 - 2⁴ = 1089217819309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5361299 + ... + 5560751.

It is an arithmetic number, because the mean of its divisors is an integer number (57215075259).

Almost surely, 2^{1089217819325} is an apocalyptic number.

It is an amenable number.

1089217819325 is a deficient number, since it is larger than the sum of its proper divisors (283943986891).

1089217819325 is a wasteful number, since it uses less digits than its factorization.

1089217819325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203105 (or 203100 counting only the distinct ones).

The product of its (nonzero) digits is 2177280, while the sum is 56.

The spelling of 1089217819325 in words is "one trillion, eighty-nine billion, two hundred seventeen million, eight hundred nineteen thousand, three hundred twenty-five".