11121216079 has 2 divisors, whose sum is σ = 11121216080. Its totient is φ = 11121216078.

The previous prime is 11121216023. The next prime is 11121216083. The reversal of 11121216079 is 97061212111.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11121216079 - 2⁷ = 11121215951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11121216079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11121216019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560608039 + 5560608040.

It is an arithmetic number, because the mean of its divisors is an integer number (5560608040).

Almost surely, 2^11121216079 is an apocalyptic number.

11121216079 is a deficient number, since it is larger than the sum of its proper divisors (1).

11121216079 is an equidigital number, since it uses as much as digits as its factorization.

11121216079 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 31.

The spelling of 11121216079 in words is "eleven billion, one hundred twenty-one million, two hundred sixteen thousand, seventy-nine".