215130641366243 has 8 divisors (see below), whose sum is σ = 228941655969312. Its totient is φ = 201448101318016.

The previous prime is 215130641366227. The next prime is 215130641366293. The reversal of 215130641366243 is 342663146031512.

It is a happy number.

215130641366243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 215130641366243 - 2⁴ = 215130641366227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (215130641366293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32118635255 + ... + 32118641952.

It is an arithmetic number, because the mean of its divisors is an integer number (28617706996164).

Almost surely, 2^{215130641366243} is an apocalyptic number.

215130641366243 is a deficient number, since it is larger than the sum of its proper divisors (13811014603069).

215130641366243 is a wasteful number, since it uses less digits than its factorization.

215130641366243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64237277421.

The product of its (nonzero) digits is 1866240, while the sum is 47.

Adding to 215130641366243 its reverse (342663146031512), we get a palindrome (557793787397755).

The spelling of 215130641366243 in words is "two hundred fifteen trillion, one hundred thirty billion, six hundred forty-one million, three hundred sixty-six thousand, two hundred forty-three".