1001119999889 has 2 divisors, whose sum is σ = 1001119999890. Its totient is φ = 1001119999888.

The previous prime is 1001119999879. The next prime is 1001119999921. The reversal of 1001119999889 is 9889999111001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 974777086864 + 26342913025 = 987308^2 + 162305^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001119999889 - 2²⁴ = 1001103222673 is a prime.

It is not a weakly prime, because it can be changed into another prime (1001119999829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500559999944 + 500559999945.

It is an arithmetic number, because the mean of its divisors is an integer number (500559999945).

Almost surely, 2^{1001119999889} is an apocalyptic number.

It is an amenable number.

1001119999889 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001119999889 is an equidigital number, since it uses as much as digits as its factorization.

1001119999889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3779136, while the sum is 65.

The spelling of 1001119999889 in words is "one trillion, one billion, one hundred nineteen million, nine hundred ninety-nine thousand, eight hundred eighty-nine".