11113664986637 has 2 divisors, whose sum is σ = 11113664986638. Its totient is φ = 11113664986636.

The previous prime is 11113664986609. The next prime is 11113664986639. The reversal of 11113664986637 is 73668946631111.

It is a happy number.

11113664986637 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 can be written as a sum of positive squares in only one way, i.e., 6991867677796 + 4121797308841 = 2644214^2 + 2030221^2 .

It is a cyclic number.

It is not a de Polignac number, because 11113664986637 - 2⁶ = 11113664986573 is a prime.

Together with 11113664986639, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11113664986637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113664986639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556832493318 + 5556832493319.

It is an arithmetic number, because the mean of its divisors is an integer number (5556832493319).

Almost surely, 2^{11113664986637} is an apocalyptic number.

It is an amenable number.

11113664986637 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113664986637 is an equidigital number, since it uses as much as digits as its factorization.

11113664986637 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23514624, while the sum is 62.

The spelling of 11113664986637 in words is "eleven trillion, one hundred thirteen billion, six hundred sixty-four million, nine hundred eighty-six thousand, six hundred thirty-seven".