11618112773 has 2 divisors, whose sum is σ = 11618112774. Its totient is φ = 11618112772.

The previous prime is 11618112769. The next prime is 11618112827. The reversal of 11618112773 is 37721181611.

11618112773 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 can be written as a sum of positive squares in only one way, i.e., 8218872964 + 3399239809 = 90658^2 + 58303^2 .

It is a cyclic number.

It is not a de Polignac number, because 11618112773 - 2² = 11618112769 is a prime.

It is a super-2 number, since 2×11618112773² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11618112703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5809056386 + 5809056387.

It is an arithmetic number, because the mean of its divisors is an integer number (5809056387).

Almost surely, 2^11618112773 is an apocalyptic number.

It is an amenable number.

11618112773 is a deficient number, since it is larger than the sum of its proper divisors (1).

11618112773 is an equidigital number, since it uses as much as digits as its factorization.

11618112773 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14112, while the sum is 38.

The spelling of 11618112773 in words is "eleven billion, six hundred eighteen million, one hundred twelve thousand, seven hundred seventy-three".