11928686686939 has 8 divisors (see below), whose sum is σ = 13013137756080. Its totient is φ = 10844239785600.

The previous prime is 11928686686921. The next prime is 11928686686999. The reversal of 11928686686939 is 93968668682911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11928686686939 - 2¹⁷ = 11928686555867 is a prime.

It is a super-3 number, since 3×11928686686939³ (a number of 40 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (11928686686999) 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, 10538199 + ... + 11615119.

It is an arithmetic number, because the mean of its divisors is an integer number (1626642219510).

Almost surely, 2^{11928686686939} is an apocalyptic number.

11928686686939 is a deficient number, since it is larger than the sum of its proper divisors (1084451069141).

11928686686939 is a wasteful number, since it uses less digits than its factorization.

11928686686939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083901.

The product of its digits is 2902376448, while the sum is 82.

The spelling of 11928686686939 in words is "eleven trillion, nine hundred twenty-eight billion, six hundred eighty-six million, six hundred eighty-six thousand, nine hundred thirty-nine".