11839776479 has 4 divisors (see below), whose sum is σ = 11944553376. Its totient is φ = 11734999584.

The previous prime is 11839776461. The next prime is 11839776523. The reversal of 11839776479 is 97467793811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97467793811 = 31 ⋅3144122381.

It is a cyclic number.

It is not a de Polignac number, because 11839776479 - 2³² = 7544809183 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 (11839776419) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 52388279 + ... + 52388504.

It is an arithmetic number, because the mean of its divisors is an integer number (2986138344).

Almost surely, 2^11839776479 is an apocalyptic number.

11839776479 is a deficient number, since it is larger than the sum of its proper divisors (104776897).

11839776479 is a wasteful number, since it uses less digits than its factorization.

11839776479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104776896.

The product of its digits is 16003008, while the sum is 62.

The spelling of 11839776479 in words is "eleven billion, eight hundred thirty-nine million, seven hundred seventy-six thousand, four hundred seventy-nine".