11311033434109 has 2 divisors, whose sum is σ = 11311033434110. Its totient is φ = 11311033434108.

The previous prime is 11311033434083. The next prime is 11311033434161. The reversal of 11311033434109 is 90143433011311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10545749646084 + 765283788025 = 3247422^2 + 874805^2 .

It is a cyclic number.

It is not a de Polignac number, because 11311033434109 - 2¹⁹ = 11311032909821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11311033434199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5655516717054 + 5655516717055.

It is an arithmetic number, because the mean of its divisors is an integer number (5655516717055).

Almost surely, 2^{11311033434109} is an apocalyptic number.

It is an amenable number.

11311033434109 is a deficient number, since it is larger than the sum of its proper divisors (1).

11311033434109 is an equidigital number, since it uses as much as digits as its factorization.

11311033434109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 34.

The spelling of 11311033434109 in words is "eleven trillion, three hundred eleven billion, thirty-three million, four hundred thirty-four thousand, one hundred nine".