11804782057 has 2 divisors, whose sum is σ = 11804782058. Its totient is φ = 11804782056.

The previous prime is 11804782049. The next prime is 11804782103. The reversal of 11804782057 is 75028740811.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9076182361 + 2728599696 = 95269^2 + 52236^2 .

It is a cyclic number.

It is not a de Polignac number, because 11804782057 - 2³ = 11804782049 is a prime.

It is not a weakly prime, because it can be changed into another prime (11804782657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5902391028 + 5902391029.

It is an arithmetic number, because the mean of its divisors is an integer number (5902391029).

Almost surely, 2^11804782057 is an apocalyptic number.

It is an amenable number.

11804782057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11804782057 is an equidigital number, since it uses as much as digits as its factorization.

11804782057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 125440, while the sum is 43.

The spelling of 11804782057 in words is "eleven billion, eight hundred four million, seven hundred eighty-two thousand, fifty-seven".