11813604054071 has 2 divisors, whose sum is σ = 11813604054072. Its totient is φ = 11813604054070.

The previous prime is 11813604054053. The next prime is 11813604054103. The reversal of 11813604054071 is 17045040631811.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11813604054071 - 2¹⁴ = 11813604037687 is a prime.

It is a super-2 number, since 2×11813604054071² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11813604054011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5906802027035 + 5906802027036.

It is an arithmetic number, because the mean of its divisors is an integer number (5906802027036).

Almost surely, 2^{11813604054071} is an apocalyptic number.

11813604054071 is a deficient number, since it is larger than the sum of its proper divisors (1).

11813604054071 is an equidigital number, since it uses as much as digits as its factorization.

11813604054071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 41.

Adding to 11813604054071 its reverse (17045040631811), we get a palindrome (28858644685882).

The spelling of 11813604054071 in words is "eleven trillion, eight hundred thirteen billion, six hundred four million, fifty-four thousand, seventy-one".