11557464475727 has 2 divisors, whose sum is σ = 11557464475728. Its totient is φ = 11557464475726.

The previous prime is 11557464475693. The next prime is 11557464475831. The reversal of 11557464475727 is 72757446475511.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11557464475727 - 2⁶ = 11557464475663 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11557464475027) 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 as a sum of consecutive naturals, namely, 5778732237863 + 5778732237864.

It is an arithmetic number, because the mean of its divisors is an integer number (5778732237864).

Almost surely, 2^{11557464475727} is an apocalyptic number.

11557464475727 is a deficient number, since it is larger than the sum of its proper divisors (1).

11557464475727 is an equidigital number, since it uses as much as digits as its factorization.

11557464475727 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 230496000, while the sum is 65.

The spelling of 11557464475727 in words is "eleven trillion, five hundred fifty-seven billion, four hundred sixty-four million, four hundred seventy-five thousand, seven hundred twenty-seven".