117940643201 has 2 divisors, whose sum is σ = 117940643202. Its totient is φ = 117940643200.

The previous prime is 117940643179. The next prime is 117940643207. The reversal of 117940643201 is 102346049711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75339270400 + 42601372801 = 274480^2 + 206401^2 .

It is an emirp because it is prime and its reverse (102346049711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 117940643201 - 2⁶ = 117940643137 is a prime.

It is not a weakly prime, because it can be changed into another prime (117940643207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58970321600 + 58970321601.

It is an arithmetic number, because the mean of its divisors is an integer number (58970321601).

Almost surely, 2^117940643201 is an apocalyptic number.

It is an amenable number.

117940643201 is a deficient number, since it is larger than the sum of its proper divisors (1).

117940643201 is an equidigital number, since it uses as much as digits as its factorization.

117940643201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 38.

The spelling of 117940643201 in words is "one hundred seventeen billion, nine hundred forty million, six hundred forty-three thousand, two hundred one".