11100099979 has 2 divisors, whose sum is σ = 11100099980. Its totient is φ = 11100099978.

The previous prime is 11100099961. The next prime is 11100100009. The reversal of 11100099979 is 97999000111.

It is a happy number.

11100099979 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11100099979 - 2⁵ = 11100099947 is a prime.

It is not a weakly prime, because it can be changed into another prime (11100099919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5550049989 + 5550049990.

It is an arithmetic number, because the mean of its divisors is an integer number (5550049990).

Almost surely, 2^11100099979 is an apocalyptic number.

11100099979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11100099979 is an equidigital number, since it uses as much as digits as its factorization.

11100099979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45927, while the sum is 46.

The spelling of 11100099979 in words is "eleven billion, one hundred million, ninety-nine thousand, nine hundred seventy-nine".