1001119999879 has 2 divisors, whose sum is σ = 1001119999880. Its totient is φ = 1001119999878.

The previous prime is 1001119999829. The next prime is 1001119999889. The reversal of 1001119999879 is 9789999111001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1001119999879 - 2⁹ = 1001119999367 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1001119999879.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500559999939 + 500559999940.

It is an arithmetic number, because the mean of its divisors is an integer number (500559999940).

Almost surely, 2^{1001119999879} is an apocalyptic number.

1001119999879 is a deficient number, since it is larger than the sum of its proper divisors (1).

1001119999879 is an equidigital number, since it uses as much as digits as its factorization.

1001119999879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3306744, while the sum is 64.

The spelling of 1001119999879 in words is "one trillion, one billion, one hundred nineteen million, nine hundred ninety-nine thousand, eight hundred seventy-nine".