11813604055417 has 2 divisors, whose sum is σ = 11813604055418. Its totient is φ = 11813604055416.

The previous prime is 11813604055391. The next prime is 11813604055427. The reversal of 11813604055417 is 71455040631811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10473695943481 + 1339908111936 = 3236309^2 + 1157544^2 .

It is a cyclic number.

It is not a de Polignac number, because 11813604055417 - 2⁷ = 11813604055289 is a prime.

It is a super-2 number, since 2×11813604055417² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11813604055427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5906802027708 + 5906802027709.

It is an arithmetic number, because the mean of its divisors is an integer number (5906802027709).

Almost surely, 2^{11813604055417} is an apocalyptic number.

It is an amenable number.

11813604055417 is a deficient number, since it is larger than the sum of its proper divisors (1).

11813604055417 is an equidigital number, since it uses as much as digits as its factorization.

11813604055417 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 46.

The spelling of 11813604055417 in words is "eleven trillion, eight hundred thirteen billion, six hundred four million, fifty-five thousand, four hundred seventeen".