11397666193 has 2 divisors, whose sum is σ = 11397666194. Its totient is φ = 11397666192.

The previous prime is 11397666187. The next prime is 11397666199. The reversal of 11397666193 is 39166679311.

11397666193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (11397666187) and next prime (11397666199).

It can be written as a sum of positive squares in only one way, i.e., 11386597264 + 11068929 = 106708^2 + 3327^2 .

It is an emirp because it is prime and its reverse (39166679311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11397666193 - 2⁹ = 11397665681 is a prime.

It is a super-2 number, since 2×11397666193² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11397666193.

It is not a weakly prime, because it can be changed into another prime (11397666199) 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, 5698833096 + 5698833097.

It is an arithmetic number, because the mean of its divisors is an integer number (5698833097).

Almost surely, 2^11397666193 is an apocalyptic number.

It is an amenable number.

11397666193 is a deficient number, since it is larger than the sum of its proper divisors (1).

11397666193 is an equidigital number, since it uses as much as digits as its factorization.

11397666193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1102248, while the sum is 52.

The spelling of 11397666193 in words is "eleven billion, three hundred ninety-seven million, six hundred sixty-six thousand, one hundred ninety-three".