11678056519687 has 2 divisors, whose sum is σ = 11678056519688. Its totient is φ = 11678056519686.

The previous prime is 11678056519663. The next prime is 11678056519763. The reversal of 11678056519687 is 78691565087611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11678056519687 - 2¹⁹ = 11678055995399 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11678056519487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5839028259843 + 5839028259844.

It is an arithmetic number, because the mean of its divisors is an integer number (5839028259844).

Almost surely, 2^{11678056519687} is an apocalyptic number.

11678056519687 is a deficient number, since it is larger than the sum of its proper divisors (1).

11678056519687 is an equidigital number, since it uses as much as digits as its factorization.

11678056519687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 152409600, while the sum is 70.

The spelling of 11678056519687 in words is "eleven trillion, six hundred seventy-eight billion, fifty-six million, five hundred nineteen thousand, six hundred eighty-seven".