1113329999981 has 2 divisors, whose sum is σ = 1113329999982. Its totient is φ = 1113329999980.

The previous prime is 1113329999923. The next prime is 1113330000113. The reversal of 1113329999981 is 1899999233111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 812467876900 + 300862123081 = 901370^2 + 548509^2 .

It is a cyclic number.

It is not a de Polignac number, because 1113329999981 - 2⁶ = 1113329999917 is a prime.

It is a super-2 number, since 2×1113329999981² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1113329999681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556664999990 + 556664999991.

It is an arithmetic number, because the mean of its divisors is an integer number (556664999991).

Almost surely, 2^{1113329999981} is an apocalyptic number.

It is an amenable number.

1113329999981 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113329999981 is an equidigital number, since it uses as much as digits as its factorization.

1113329999981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8503056, while the sum is 65.

The spelling of 1113329999981 in words is "one trillion, one hundred thirteen billion, three hundred twenty-nine million, nine hundred ninety-nine thousand, nine hundred eighty-one".