215052315239 has 2 divisors, whose sum is σ = 215052315240. Its totient is φ = 215052315238.

The previous prime is 215052315223. The next prime is 215052315337. The reversal of 215052315239 is 932513250512.

It is a happy number.

215052315239 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 215052315239 - 2⁴ = 215052315223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215052315139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107526157619 + 107526157620.

It is an arithmetic number, because the mean of its divisors is an integer number (107526157620).

Almost surely, 2^215052315239 is an apocalyptic number.

215052315239 is a deficient number, since it is larger than the sum of its proper divisors (1).

215052315239 is an equidigital number, since it uses as much as digits as its factorization.

215052315239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81000, while the sum is 38.

The spelling of 215052315239 in words is "two hundred fifteen billion, fifty-two million, three hundred fifteen thousand, two hundred thirty-nine".