68075561201 has 2 divisors, whose sum is σ = 68075561202. Its totient is φ = 68075561200.

The previous prime is 68075561179. The next prime is 68075561233. The reversal of 68075561201 is 10216557086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52798848400 + 15276712801 = 229780^2 + 123599^2 .

It is a cyclic number.

It is not a de Polignac number, because 68075561201 - 2¹⁰ = 68075560177 is a prime.

It is not a weakly prime, because it can be changed into another prime (68075561291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34037780600 + 34037780601.

It is an arithmetic number, because the mean of its divisors is an integer number (34037780601).

Almost surely, 2^68075561201 is an apocalyptic number.

It is an amenable number.

68075561201 is a deficient number, since it is larger than the sum of its proper divisors (1).

68075561201 is an equidigital number, since it uses as much as digits as its factorization.

68075561201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 68075561201 in words is "sixty-eight billion, seventy-five million, five hundred sixty-one thousand, two hundred one".