13112211193 has 2 divisors, whose sum is σ = 13112211194. Its totient is φ = 13112211192.

The previous prime is 13112211179. The next prime is 13112211223. The reversal of 13112211193 is 39111221131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10333129104 + 2779082089 = 101652^2 + 52717^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13112211193 is a prime.

It is not a weakly prime, because it can be changed into another prime (13112211793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6556105596 + 6556105597.

It is an arithmetic number, because the mean of its divisors is an integer number (6556105597).

Almost surely, 2^13112211193 is an apocalyptic number.

It is an amenable number.

13112211193 is a deficient number, since it is larger than the sum of its proper divisors (1).

13112211193 is an equidigital number, since it uses as much as digits as its factorization.

13112211193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 324, while the sum is 25.

The spelling of 13112211193 in words is "thirteen billion, one hundred twelve million, two hundred eleven thousand, one hundred ninety-three".