12872155615 has 32 divisors (see below), whose sum is σ = 17857143360. Its totient is φ = 8818252800.

The previous prime is 12872155613. The next prime is 12872155661. The reversal of 12872155615 is 51655127821.

It is not a de Polignac number, because 12872155615 - 2¹ = 12872155613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12872155613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33024 + ... + 163813.

It is an arithmetic number, because the mean of its divisors is an integer number (558035730).

Almost surely, 2^12872155615 is an apocalyptic number.

12872155615 is a deficient number, since it is larger than the sum of its proper divisors (4984987745).

12872155615 is a wasteful number, since it uses less digits than its factorization.

12872155615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196923.

The product of its digits is 168000, while the sum is 43.

The spelling of 12872155615 in words is "twelve billion, eight hundred seventy-two million, one hundred fifty-five thousand, six hundred fifteen".