11678280851113 has 2 divisors, whose sum is σ = 11678280851114. Its totient is φ = 11678280851112.

The previous prime is 11678280850969. The next prime is 11678280851143. The reversal of 11678280851113 is 31115808287611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11676524570649 + 1756280464 = 3417093^2 + 41908^2 .

It is a cyclic number.

It is not a de Polignac number, because 11678280851113 - 2²¹ = 11678278753961 is a prime.

It is not a weakly prime, because it can be changed into another prime (11678280851143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5839140425556 + 5839140425557.

It is an arithmetic number, because the mean of its divisors is an integer number (5839140425557).

Almost surely, 2^{11678280851113} is an apocalyptic number.

It is an amenable number.

11678280851113 is a deficient number, since it is larger than the sum of its proper divisors (1).

11678280851113 is an equidigital number, since it uses as much as digits as its factorization.

11678280851113 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 645120, while the sum is 52.

The spelling of 11678280851113 in words is "eleven trillion, six hundred seventy-eight billion, two hundred eighty million, eight hundred fifty-one thousand, one hundred thirteen".