11078080121 has 2 divisors, whose sum is σ = 11078080122. Its totient is φ = 11078080120.

The previous prime is 11078080063. The next prime is 11078080271. The reversal of 11078080121 is 12108087011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6920409721 + 4157670400 = 83189^2 + 64480^2 .

It is an emirp because it is prime and its reverse (12108087011) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11078080121 is a prime.

It is not a weakly prime, because it can be changed into another prime (11078080021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5539040060 + 5539040061.

It is an arithmetic number, because the mean of its divisors is an integer number (5539040061).

Almost surely, 2^11078080121 is an apocalyptic number.

It is an amenable number.

11078080121 is a deficient number, since it is larger than the sum of its proper divisors (1).

11078080121 is an equidigital number, since it uses as much as digits as its factorization.

11078080121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 896, while the sum is 29.

The spelling of 11078080121 in words is "eleven billion, seventy-eight million, eighty thousand, one hundred twenty-one".