11013121079 has 2 divisors, whose sum is σ = 11013121080. Its totient is φ = 11013121078.

The previous prime is 11013121013. The next prime is 11013121087. The reversal of 11013121079 is 97012131011.

11013121079 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11013121079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11015121079) 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, 5506560539 + 5506560540.

It is an arithmetic number, because the mean of its divisors is an integer number (5506560540).

Almost surely, 2^11013121079 is an apocalyptic number.

11013121079 is a deficient number, since it is larger than the sum of its proper divisors (1).

11013121079 is an equidigital number, since it uses as much as digits as its factorization.

11013121079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 26.

The spelling of 11013121079 in words is "eleven billion, thirteen million, one hundred twenty-one thousand, seventy-nine".