215636242015459 has 2 divisors, whose sum is σ = 215636242015460. Its totient is φ = 215636242015458.

The previous prime is 215636242015451. The next prime is 215636242015487. The reversal of 215636242015459 is 954510242636512.

215636242015459 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 215636242015459 - 2³ = 215636242015451 is a prime.

It is not a weakly prime, because it can be changed into another prime (215636242015451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107818121007729 + 107818121007730.

It is an arithmetic number, because the mean of its divisors is an integer number (107818121007730).

Almost surely, 2^{215636242015459} is an apocalyptic number.

215636242015459 is a deficient number, since it is larger than the sum of its proper divisors (1).

215636242015459 is an equidigital number, since it uses as much as digits as its factorization.

215636242015459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552000, while the sum is 55.

The spelling of 215636242015459 in words is "two hundred fifteen trillion, six hundred thirty-six billion, two hundred forty-two million, fifteen thousand, four hundred fifty-nine".