11804782079 has 4 divisors (see below), whose sum is σ = 12211843560. Its totient is φ = 11397720600.

The previous prime is 11804782057. The next prime is 11804782103. The reversal of 11804782079 is 97028740811.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11804782079 - 2⁸ = 11804781823 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 (11804782019) 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, 203530697 + ... + 203530754.

It is an arithmetic number, because the mean of its divisors is an integer number (3052960890).

Almost surely, 2^11804782079 is an apocalyptic number.

11804782079 is a deficient number, since it is larger than the sum of its proper divisors (407061481).

11804782079 is an equidigital number, since it uses as much as digits as its factorization.

11804782079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 407061480.

The product of its (nonzero) digits is 225792, while the sum is 47.

The spelling of 11804782079 in words is "eleven billion, eight hundred four million, seven hundred eighty-two thousand, seventy-nine".