11986583646793 has 6 divisors (see below), whose sum is σ = 13943576895306. Its totient is φ = 10274214554352.

The previous prime is 11986583646731. The next prime is 11986583646803. The reversal of 11986583646793 is 39764638568911.

11986583646793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11690634590649 + 295949056144 = 3419157^2 + 544012^2 .

It is a de Polignac number, because none of the positive numbers 2^k-11986583646793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11986583646893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 122312077980 + ... + 122312078077.

It is an arithmetic number, because the mean of its divisors is an integer number (2323929482551).

Almost surely, 2^{11986583646793} is an apocalyptic number.

It is an amenable number.

11986583646793 is a deficient number, since it is larger than the sum of its proper divisors (1956993248513).

11986583646793 is an equidigital number, since it uses as much as digits as its factorization.

11986583646793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244624156071 (or 244624156064 counting only the distinct ones).

The product of its digits is 1410877440, while the sum is 76.

The spelling of 11986583646793 in words is "eleven trillion, nine hundred eighty-six billion, five hundred eighty-three million, six hundred forty-six thousand, seven hundred ninety-three".