18011011110979 has 2 divisors, whose sum is σ = 18011011110980. Its totient is φ = 18011011110978.

The previous prime is 18011011110959. The next prime is 18011011111031. The reversal of 18011011110979 is 97901111011081.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 18011011110979 - 2³³ = 18002421176387 is a prime.

It is not a weakly prime, because it can be changed into another prime (18011011110959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9005505555489 + 9005505555490.

It is an arithmetic number, because the mean of its divisors is an integer number (9005505555490).

Almost surely, 2^{18011011110979} is an apocalyptic number.

18011011110979 is a deficient number, since it is larger than the sum of its proper divisors (1).

18011011110979 is an equidigital number, since it uses as much as digits as its factorization.

18011011110979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 40.

The spelling of 18011011110979 in words is "eighteen trillion, eleven billion, eleven million, one hundred ten thousand, nine hundred seventy-nine".