1000001109979 has 2 divisors, whose sum is σ = 1000001109980. Its totient is φ = 1000001109978.

The previous prime is 1000001109971. The next prime is 1000001110027. The reversal of 1000001109979 is 9799011000001.

It is a weak prime.

It is an emirp because it is prime and its reverse (9799011000001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1000001109979 - 2³ = 1000001109971 is a prime.

It is not a weakly prime, because it can be changed into another prime (1000001109971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500000554989 + 500000554990.

It is an arithmetic number, because the mean of its divisors is an integer number (500000554990).

Almost surely, 2^{1000001109979} is an apocalyptic number.

1000001109979 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000001109979 is an equidigital number, since it uses as much as digits as its factorization.

1000001109979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5103, while the sum is 37.

The spelling of 1000001109979 in words is "one trillion, one million, one hundred nine thousand, nine hundred seventy-nine".