215064652519 has 2 divisors, whose sum is σ = 215064652520. Its totient is φ = 215064652518.

The previous prime is 215064652477. The next prime is 215064652591. The reversal of 215064652519 is 915256460512.

215064652519 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (215064652591) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 215064652519 - 2⁷ = 215064652391 is a prime.

It is a super-2 number, since 2×215064652519² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215064656519) 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, 107532326259 + 107532326260.

It is an arithmetic number, because the mean of its divisors is an integer number (107532326260).

Almost surely, 2^215064652519 is an apocalyptic number.

215064652519 is a deficient number, since it is larger than the sum of its proper divisors (1).

215064652519 is an equidigital number, since it uses as much as digits as its factorization.

215064652519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648000, while the sum is 46.

The spelling of 215064652519 in words is "two hundred fifteen billion, sixty-four million, six hundred fifty-two thousand, five hundred nineteen".