11813604055427 has 2 divisors, whose sum is σ = 11813604055428. Its totient is φ = 11813604055426.

The previous prime is 11813604055417. The next prime is 11813604055453. The reversal of 11813604055427 is 72455040631811.

11813604055427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11813604055427 - 2¹⁰ = 11813604054403 is a prime.

It is a super-2 number, since 2×11813604055427² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11813604055417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5906802027713 + 5906802027714.

It is an arithmetic number, because the mean of its divisors is an integer number (5906802027714).

Almost surely, 2^{11813604055427} is an apocalyptic number.

11813604055427 is a deficient number, since it is larger than the sum of its proper divisors (1).

11813604055427 is an equidigital number, since it uses as much as digits as its factorization.

11813604055427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 806400, while the sum is 47.

The spelling of 11813604055427 in words is "eleven trillion, eight hundred thirteen billion, six hundred four million, fifty-five thousand, four hundred twenty-seven".