120536318689 has 2 divisors, whose sum is σ = 120536318690. Its totient is φ = 120536318688.

The previous prime is 120536318671. The next prime is 120536318699. The reversal of 120536318689 is 986813635021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92309630625 + 28226688064 = 303825^2 + 168008^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120536318689 is a prime.

It is not a weakly prime, because it can be changed into another prime (120536318699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60268159344 + 60268159345.

It is an arithmetic number, because the mean of its divisors is an integer number (60268159345).

Almost surely, 2^120536318689 is an apocalyptic number.

It is an amenable number.

120536318689 is a deficient number, since it is larger than the sum of its proper divisors (1).

120536318689 is an equidigital number, since it uses as much as digits as its factorization.

120536318689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1866240, while the sum is 52.

The spelling of 120536318689 in words is "one hundred twenty billion, five hundred thirty-six million, three hundred eighteen thousand, six hundred eighty-nine".