12366728911057 has 32 divisors (see below), whose sum is σ = 13255556411520. Its totient is φ = 11502426539520.

The previous prime is 12366728911037. The next prime is 12366728911087. The reversal of 12366728911057 is 75011982766321.

It is a cyclic number.

It is not a de Polignac number, because 12366728911057 - 2⁷ = 12366728910929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12366728910992 and 12366728911010.

It is not an unprimeable number, because it can be changed into a prime (12366728911037) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3152363298 + ... + 3152367220.

It is an arithmetic number, because the mean of its divisors is an integer number (414236137860).

Almost surely, 2^{12366728911057} is an apocalyptic number.

It is an amenable number.

12366728911057 is a deficient number, since it is larger than the sum of its proper divisors (888827500463).

12366728911057 is a wasteful number, since it uses less digits than its factorization.

12366728911057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8353.

The product of its (nonzero) digits is 7620480, while the sum is 58.

The spelling of 12366728911057 in words is "twelve trillion, three hundred sixty-six billion, seven hundred twenty-eight million, nine hundred eleven thousand, fifty-seven".