12158645833 has 2 divisors, whose sum is σ = 12158645834. Its totient is φ = 12158645832.

The previous prime is 12158645827. The next prime is 12158645857. The reversal of 12158645833 is 33854685121.

12158645833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10562083984 + 1596561849 = 102772^2 + 39957^2 .

It is a cyclic number.

It is not a de Polignac number, because 12158645833 - 2⁹ = 12158645321 is a prime.

It is not a weakly prime, because it can be changed into another prime (12158645893) 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, 6079322916 + 6079322917.

It is an arithmetic number, because the mean of its divisors is an integer number (6079322917).

Almost surely, 2^12158645833 is an apocalyptic number.

It is an amenable number.

12158645833 is a deficient number, since it is larger than the sum of its proper divisors (1).

12158645833 is an equidigital number, since it uses as much as digits as its factorization.

12158645833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 46.

The spelling of 12158645833 in words is "twelve billion, one hundred fifty-eight million, six hundred forty-five thousand, eight hundred thirty-three".