11113664986573 has 2 divisors, whose sum is σ = 11113664986574. Its totient is φ = 11113664986572.

The previous prime is 11113664986561. The next prime is 11113664986609. The reversal of 11113664986573 is 37568946631111.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6771663426564 + 4342001560009 = 2602242^2 + 2083747^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11113664986573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11113664986273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5556832493286 + 5556832493287.

It is an arithmetic number, because the mean of its divisors is an integer number (5556832493287).

Almost surely, 2^{11113664986573} is an apocalyptic number.

It is an amenable number.

11113664986573 is a deficient number, since it is larger than the sum of its proper divisors (1).

11113664986573 is an equidigital number, since it uses as much as digits as its factorization.

11113664986573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 61.

The spelling of 11113664986573 in words is "eleven trillion, one hundred thirteen billion, six hundred sixty-four million, nine hundred eighty-six thousand, five hundred seventy-three".