11100009979 has 2 divisors, whose sum is σ = 11100009980. Its totient is φ = 11100009978.

The previous prime is 11100009941. The next prime is 11100010087. The reversal of 11100009979 is 97990000111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100009979 - 2²³ = 11091621371 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100009929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550004989 + 5550004990.

It is an arithmetic number, because the mean of its divisors is an integer number (5550004990).

Almost surely, 2^11100009979 is an apocalyptic number.

11100009979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100009979 is an equidigital number, since it uses as much as digits as its factorization.

11100009979 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 11100009979 in words is "eleven billion, one hundred million, nine thousand, nine hundred seventy-nine".