11323221323849 has 2 divisors, whose sum is σ = 11323221323850. Its totient is φ = 11323221323848.

The previous prime is 11323221323797. The next prime is 11323221323903. The reversal of 11323221323849 is 94832312232311.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6785149748224 + 4538071575625 = 2604832^2 + 2130275^2 .

It is a cyclic number.

It is not a de Polignac number, because 11323221323849 - 2⁴⁰ = 10223709696073 is a prime.

It is a super-2 number, since 2×11323221323849² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11323221323149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5661610661924 + 5661610661925.

It is an arithmetic number, because the mean of its divisors is an integer number (5661610661925).

Almost surely, 2^{11323221323849} is an apocalyptic number.

It is an amenable number.

11323221323849 is a deficient number, since it is larger than the sum of its proper divisors (1).

11323221323849 is an equidigital number, since it uses as much as digits as its factorization.

11323221323849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 373248, while the sum is 44.

The spelling of 11323221323849 in words is "eleven trillion, three hundred twenty-three billion, two hundred twenty-one million, three hundred twenty-three thousand, eight hundred forty-nine".