108609555601 has 2 divisors, whose sum is σ = 108609555602. Its totient is φ = 108609555600.

The previous prime is 108609555503. The next prime is 108609555667. The reversal of 108609555601 is 106555906801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65946240000 + 42663315601 = 256800^2 + 206551^2 .

It is a cyclic number.

It is not a de Polignac number, because 108609555601 - 2¹⁹ = 108609031313 is a prime.

It is not a weakly prime, because it can be changed into another prime (108609555671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54304777800 + 54304777801.

It is an arithmetic number, because the mean of its divisors is an integer number (54304777801).

Almost surely, 2^108609555601 is an apocalyptic number.

It is an amenable number.

108609555601 is a deficient number, since it is larger than the sum of its proper divisors (1).

108609555601 is an equidigital number, since it uses as much as digits as its factorization.

108609555601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324000, while the sum is 46.

The spelling of 108609555601 in words is "one hundred eight billion, six hundred nine million, five hundred fifty-five thousand, six hundred one".