1089180161813 has 2 divisors, whose sum is σ = 1089180161814. Its totient is φ = 1089180161812.

The previous prime is 1089180161747. The next prime is 1089180161821. The reversal of 1089180161813 is 3181610819801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 966135658084 + 123044503729 = 982922^2 + 350777^2 .

It is an emirp because it is prime and its reverse (3181610819801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1089180161813 - 2³² = 1084885194517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1089180166813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 544590080906 + 544590080907.

It is an arithmetic number, because the mean of its divisors is an integer number (544590080907).

Almost surely, 2^{1089180161813} is an apocalyptic number.

It is an amenable number.

1089180161813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1089180161813 is an equidigital number, since it uses as much as digits as its factorization.

1089180161813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 47.

The spelling of 1089180161813 in words is "one trillion, eighty-nine billion, one hundred eighty million, one hundred sixty-one thousand, eight hundred thirteen".