11118163606591 has 2 divisors, whose sum is σ = 11118163606592. Its totient is φ = 11118163606590.

The previous prime is 11118163606559. The next prime is 11118163606597. The reversal of 11118163606591 is 19560636181111.

It is a happy number.

11118163606591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11118163606591 - 2⁵ = 11118163606559 is a prime.

It is a super-2 number, since 2×11118163606591² (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 (11118163606597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5559081803295 + 5559081803296.

It is an arithmetic number, because the mean of its divisors is an integer number (5559081803296).

Almost surely, 2^{11118163606591} is an apocalyptic number.

11118163606591 is a deficient number, since it is larger than the sum of its proper divisors (1).

11118163606591 is an equidigital number, since it uses as much as digits as its factorization.

11118163606591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 49.

The spelling of 11118163606591 in words is "eleven trillion, one hundred eighteen billion, one hundred sixty-three million, six hundred six thousand, five hundred ninety-one".