518055570466243 has 2 divisors, whose sum is σ = 518055570466244. Its totient is φ = 518055570466242.

The previous prime is 518055570466201. The next prime is 518055570466351. The reversal of 518055570466243 is 342664075550815.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 518055570466243 - 2²¹ = 518055568369091 is a prime.

It is a super-2 number, since 2×518055570466243² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (518055570467243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 259027785233121 + 259027785233122.

It is an arithmetic number, because the mean of its divisors is an integer number (259027785233122).

Almost surely, 2^{518055570466243} is an apocalyptic number.

518055570466243 is a deficient number, since it is larger than the sum of its proper divisors (1).

518055570466243 is an equidigital number, since it uses as much as digits as its factorization.

518055570466243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960000, while the sum is 61.

The spelling of 518055570466243 in words is "five hundred eighteen trillion, fifty-five billion, five hundred seventy million, four hundred sixty-six thousand, two hundred forty-three".