11557728023 has 2 divisors, whose sum is σ = 11557728024. Its totient is φ = 11557728022.

The previous prime is 11557727969. The next prime is 11557728037. The reversal of 11557728023 is 32082775511.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11557728023 - 2²⁰ = 11556679447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11557728323) 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, 5778864011 + 5778864012.

It is an arithmetic number, because the mean of its divisors is an integer number (5778864012).

Almost surely, 2^11557728023 is an apocalyptic number.

11557728023 is a deficient number, since it is larger than the sum of its proper divisors (1).

11557728023 is an equidigital number, since it uses as much as digits as its factorization.

11557728023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 41.

The spelling of 11557728023 in words is "eleven billion, five hundred fifty-seven million, seven hundred twenty-eight thousand, twenty-three".