10011111009979 has 2 divisors, whose sum is σ = 10011111009980. Its totient is φ = 10011111009978.

The previous prime is 10011111009973. The next prime is 10011111009989. The reversal of 10011111009979 is 97990011111001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10011111009979 - 2²³ = 10011102621371 is a prime.

It is not a weakly prime, because it can be changed into another prime (10011111009973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005555504989 + 5005555504990.

It is an arithmetic number, because the mean of its divisors is an integer number (5005555504990).

Almost surely, 2^{10011111009979} is an apocalyptic number.

10011111009979 is a deficient number, since it is larger than the sum of its proper divisors (1).

10011111009979 is an equidigital number, since it uses as much as digits as its factorization.

10011111009979 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 40.

The spelling of 10011111009979 in words is "ten trillion, eleven billion, one hundred eleven million, nine thousand, nine hundred seventy-nine".