12727728395615 has 8 divisors (see below), whose sum is σ = 15309725805360. Its totient is φ = 10157881562752.

The previous prime is 12727728395597. The next prime is 12727728395687. The reversal of 12727728395615 is 51659382772721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12727728395615 is a prime.

It is a super-3 number, since 3×12727728395615³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3037641914 + ... + 3037646103.

It is an arithmetic number, because the mean of its divisors is an integer number (1913715725670).

Almost surely, 2^{12727728395615} is an apocalyptic number.

12727728395615 is a deficient number, since it is larger than the sum of its proper divisors (2581997409745).

12727728395615 is an equidigital number, since it uses as much as digits as its factorization.

12727728395615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6075288441.

The product of its digits is 88905600, while the sum is 65.

The spelling of 12727728395615 in words is "twelve trillion, seven hundred twenty-seven billion, seven hundred twenty-eight million, three hundred ninety-five thousand, six hundred fifteen".