12988455615 has 12 divisors (see below), whose sum is σ = 22513323144. Its totient is φ = 6927176304.

The previous prime is 12988455553. The next prime is 12988455619. The reversal of 12988455615 is 51655488921.

12988455615 is a `hidden beast` number, since 1 + 2 + 9 + 8 + 84 + 556 + 1 + 5 = 666.

12988455615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12988455615 - 2¹¹ = 12988453567 is a prime.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12988455619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144316129 + ... + 144316218.

It is an arithmetic number, because the mean of its divisors is an integer number (1876110262).

Almost surely, 2^12988455615 is an apocalyptic number.

12988455615 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12988455615 is a deficient number, since it is larger than the sum of its proper divisors (9524867529).

12988455615 is a wasteful number, since it uses less digits than its factorization.

12988455615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288632358 (or 288632355 counting only the distinct ones).

The product of its digits is 3456000, while the sum is 54.

The spelling of 12988455615 in words is "twelve billion, nine hundred eighty-eight million, four hundred fifty-five thousand, six hundred fifteen".