215334111233243 has 2 divisors, whose sum is σ = 215334111233244. Its totient is φ = 215334111233242.

The previous prime is 215334111233233. The next prime is 215334111233299. The reversal of 215334111233243 is 342332111433512.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 215334111233243 - 2⁶ = 215334111233179 is a prime.

It is a super-2 number, since 2×215334111233243² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 215334111233197 and 215334111233206.

It is not a weakly prime, because it can be changed into another prime (215334111233233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107667055616621 + 107667055616622.

It is an arithmetic number, because the mean of its divisors is an integer number (107667055616622).

Almost surely, 2^{215334111233243} is an apocalyptic number.

215334111233243 is a deficient number, since it is larger than the sum of its proper divisors (1).

215334111233243 is an equidigital number, since it uses as much as digits as its factorization.

215334111233243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 38.

Adding to 215334111233243 its reverse (342332111433512), we get a palindrome (557666222666755).

The spelling of 215334111233243 in words is "two hundred fifteen trillion, three hundred thirty-four billion, one hundred eleven million, two hundred thirty-three thousand, two hundred forty-three".