10011110109989 has 2 divisors, whose sum is σ = 10011110109990. Its totient is φ = 10011110109988.

The previous prime is 10011110109971. The next prime is 10011110110009. The reversal of 10011110109989 is 98990101111001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7696324350625 + 2314785759364 = 2774225^2 + 1521442^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10011110109989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10011110109929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005555054994 + 5005555054995.

It is an arithmetic number, because the mean of its divisors is an integer number (5005555054995).

Almost surely, 2^{10011110109989} is an apocalyptic number.

It is an amenable number.

10011110109989 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011110109989 is an equidigital number, since it uses as much as digits as its factorization.

10011110109989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 41.

The spelling of 10011110109989 in words is "ten trillion, eleven billion, one hundred ten million, one hundred nine thousand, nine hundred eighty-nine".