11678056519679 has 8 divisors (see below), whose sum is σ = 12844984783440. Its totient is φ = 10616415016680.

The previous prime is 11678056519663. The next prime is 11678056519687. The reversal of 11678056519679 is 97691565087611.

It is not a de Polignac number, because 11678056519679 - 2⁴ = 11678056519663 is a prime.

It is a super-2 number, since 2×11678056519679² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11678056519609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4386947024 + ... + 4386949685.

It is an arithmetic number, because the mean of its divisors is an integer number (1605623097930).

Almost surely, 2^{11678056519679} is an apocalyptic number.

11678056519679 is a deficient number, since it is larger than the sum of its proper divisors (1166928263761).

11678056519679 is an frugal number, since it uses more digits than its factorization.

11678056519679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8773896742 (or 8773896720 counting only the distinct ones).

The product of its (nonzero) digits is 171460800, while the sum is 71.

The spelling of 11678056519679 in words is "eleven trillion, six hundred seventy-eight billion, fifty-six million, five hundred nineteen thousand, six hundred seventy-nine".