1100010000989 has 2 divisors, whose sum is σ = 1100010000990. Its totient is φ = 1100010000988.

The previous prime is 1100010000977. The next prime is 1100010001001. The reversal of 1100010000989 is 9890000100011.

It is a balanced prime because it is at equal distance from previous prime (1100010000977) and next prime (1100010001001).

It can be written as a sum of positive squares in only one way, i.e., 720605743225 + 379404257764 = 848885^2 + 615958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1100010000989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100010002989) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550005000494 + 550005000495.

It is an arithmetic number, because the mean of its divisors is an integer number (550005000495).

Almost surely, 2^{1100010000989} is an apocalyptic number.

It is an amenable number.

1100010000989 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100010000989 is an equidigital number, since it uses as much as digits as its factorization.

1100010000989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 29.

The spelling of 1100010000989 in words is "one trillion, one hundred billion, ten million, nine hundred eighty-nine", and thus it is an aban number.