11116626617 has 2 divisors, whose sum is σ = 11116626618. Its totient is φ = 11116626616.

The previous prime is 11116626601. The next prime is 11116626673. The reversal of 11116626617 is 71662661111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6773948416 + 4342678201 = 82304^2 + 65899^2 .

It is a cyclic number.

It is not a de Polignac number, because 11116626617 - 2⁴ = 11116626601 is a prime.

It is not a weakly prime, because it can be changed into another prime (11116626517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5558313308 + 5558313309.

It is an arithmetic number, because the mean of its divisors is an integer number (5558313309).

Almost surely, 2^11116626617 is an apocalyptic number.

It is an amenable number.

11116626617 is a deficient number, since it is larger than the sum of its proper divisors (1).

11116626617 is an equidigital number, since it uses as much as digits as its factorization.

11116626617 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 38.

The spelling of 11116626617 in words is "eleven billion, one hundred sixteen million, six hundred twenty-six thousand, six hundred seventeen".