27234320015 has 16 divisors (see below), whose sum is σ = 37366625280. Its totient is φ = 18666612000.

The previous prime is 27234319993. The next prime is 27234320041. The reversal of 27234320015 is 51002343272.

It is not a de Polignac number, because 27234320015 - 2⁶ = 27234319951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 27234320015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94055 + ... + 251624.

It is an arithmetic number, because the mean of its divisors is an integer number (2335414080).

Almost surely, 2^27234320015 is an apocalyptic number.

27234320015 is a deficient number, since it is larger than the sum of its proper divisors (10132305265).

27234320015 is a wasteful number, since it uses less digits than its factorization.

27234320015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347942.

The product of its (nonzero) digits is 10080, while the sum is 29.

Adding to 27234320015 its reverse (51002343272), we get a palindrome (78236663287).

The spelling of 27234320015 in words is "twenty-seven billion, two hundred thirty-four million, three hundred twenty thousand, fifteen".