11756849057 has 2 divisors, whose sum is σ = 11756849058. Its totient is φ = 11756849056.

The previous prime is 11756849029. The next prime is 11756849077. The reversal of 11756849057 is 75094865711.

11756849057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6203767696 + 5553081361 = 78764^2 + 74519^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11756849057 is a prime.

It is not a weakly prime, because it can be changed into another prime (11756849077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5878424528 + 5878424529.

It is an arithmetic number, because the mean of its divisors is an integer number (5878424529).

Almost surely, 2^11756849057 is an apocalyptic number.

It is an amenable number.

11756849057 is a deficient number, since it is larger than the sum of its proper divisors (1).

11756849057 is an equidigital number, since it uses as much as digits as its factorization.

11756849057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2116800, while the sum is 53.

The spelling of 11756849057 in words is "eleven billion, seven hundred fifty-six million, eight hundred forty-nine thousand, fifty-seven".