511274410223243 has 2 divisors, whose sum is σ = 511274410223244. Its totient is φ = 511274410223242.

The previous prime is 511274410223219. The next prime is 511274410223281. The reversal of 511274410223243 is 342322014472115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 511274410223243 - 2¹² = 511274410219147 is a prime.

It is a super-2 number, since 2×511274410223243² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 511274410223243.

It is not a weakly prime, because it can be changed into another prime (511274410220243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255637205111621 + 255637205111622.

It is an arithmetic number, because the mean of its divisors is an integer number (255637205111622).

Almost surely, 2^{511274410223243} is an apocalyptic number.

511274410223243 is a deficient number, since it is larger than the sum of its proper divisors (1).

511274410223243 is an equidigital number, since it uses as much as digits as its factorization.

511274410223243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 322560, while the sum is 41.

Adding to 511274410223243 its reverse (342322014472115), we get a palindrome (853596424695358).

The spelling of 511274410223243 in words is "five hundred eleven trillion, two hundred seventy-four billion, four hundred ten million, two hundred twenty-three thousand, two hundred forty-three".