11100100009979 has 2 divisors, whose sum is σ = 11100100009980. Its totient is φ = 11100100009978.

The previous prime is 11100100009969. The next prime is 11100100010023. The reversal of 11100100009979 is 97990000100111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100100009979 - 2⁴ = 11100100009963 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100100009949) 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, 5550050004989 + 5550050004990.

It is an arithmetic number, because the mean of its divisors is an integer number (5550050004990).

Almost surely, 2^{11100100009979} is an apocalyptic number.

11100100009979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100100009979 is an equidigital number, since it uses as much as digits as its factorization.

11100100009979 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 38.

The spelling of 11100100009979 in words is "eleven trillion, one hundred billion, one hundred million, nine thousand, nine hundred seventy-nine".