11717933986 has 16 divisors (see below), whose sum is σ = 19213871328. Its totient is φ = 5315480800.

The previous prime is 11717933963. The next prime is 11717934013. The reversal of 11717933986 is 68933971711.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 531595 + ... + 553198.

It is an arithmetic number, because the mean of its divisors is an integer number (1200866958).

Almost surely, 2^11717933986 is an apocalyptic number.

11717933986 is a deficient number, since it is larger than the sum of its proper divisors (7495937342).

11717933986 is a wasteful number, since it uses less digits than its factorization.

11717933986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085297.

The product of its digits is 1714608, while the sum is 55.

The spelling of 11717933986 in words is "eleven billion, seven hundred seventeen million, nine hundred thirty-three thousand, nine hundred eighty-six".