11936386983 has 4 divisors (see below), whose sum is σ = 15915182648. Its totient is φ = 7957591320.

The previous prime is 11936386963. The next prime is 11936386991. The reversal of 11936386983 is 38968363911.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38968363911 = 3 ⋅12989454637.

It is not a de Polignac number, because 11936386983 - 2²¹ = 11934289831 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11936386963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1989397828 + ... + 1989397833.

It is an arithmetic number, because the mean of its divisors is an integer number (3978795662).

Almost surely, 2^11936386983 is an apocalyptic number.

11936386983 is a deficient number, since it is larger than the sum of its proper divisors (3978795665).

11936386983 is an equidigital number, since it uses as much as digits as its factorization.

11936386983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3978795664.

The product of its digits is 5038848, while the sum is 57.

The spelling of 11936386983 in words is "eleven billion, nine hundred thirty-six million, three hundred eighty-six thousand, nine hundred eighty-three".