320055542117 has 2 divisors, whose sum is σ = 320055542118. Its totient is φ = 320055542116.

The previous prime is 320055542083. The next prime is 320055542141. The reversal of 320055542117 is 711245550023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319124437921 + 931104196 = 564911^2 + 30514^2 .

It is a cyclic number.

It is not a de Polignac number, because 320055542117 - 2²⁰ = 320054493541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (320055548117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 160027771058 + 160027771059.

It is an arithmetic number, because the mean of its divisors is an integer number (160027771059).

Almost surely, 2^320055542117 is an apocalyptic number.

It is an amenable number.

320055542117 is a deficient number, since it is larger than the sum of its proper divisors (1).

320055542117 is an equidigital number, since it uses as much as digits as its factorization.

320055542117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 320055542117 in words is "three hundred twenty billion, fifty-five million, five hundred forty-two thousand, one hundred seventeen".