215065026463 has 16 divisors (see below), whose sum is σ = 246347136000. Its totient is φ = 183922754400.

The previous prime is 215065026443. The next prime is 215065026467. The reversal of 215065026463 is 364620560512.

It is a happy number.

It is not a de Polignac number, because 215065026463 - 2²⁵ = 215031472031 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (215065026467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19943133 + ... + 19953913.

It is an arithmetic number, because the mean of its divisors is an integer number (15396696000).

Almost surely, 2^215065026463 is an apocalyptic number.

215065026463 is a deficient number, since it is larger than the sum of its proper divisors (31282109537).

215065026463 is a wasteful number, since it uses less digits than its factorization.

215065026463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16998.

The product of its (nonzero) digits is 259200, while the sum is 40.

Adding to 215065026463 its reverse (364620560512), we get a palindrome (579685586975).

The spelling of 215065026463 in words is "two hundred fifteen billion, sixty-five million, twenty-six thousand, four hundred sixty-three".