15728126913 has 16 divisors (see below), whose sum is σ = 23484405760. Its totient is φ = 10402853328.

The previous prime is 15728126879. The next prime is 15728126917. The reversal of 15728126913 is 31962182751.

15728126913 is a `hidden beast` number, since 1 + 572 + 8 + 1 + 2 + 69 + 13 = 666.

15728126913 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 15728126913 - 2¹⁷ = 15727995841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (15728126917) 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 15 ways as a sum of consecutive naturals, for example, 2289970 + ... + 2296827.

It is an arithmetic number, because the mean of its divisors is an integer number (1467775360).

Almost surely, 2^15728126913 is an apocalyptic number.

It is an amenable number.

15728126913 is a deficient number, since it is larger than the sum of its proper divisors (7756278847).

15728126913 is a wasteful number, since it uses less digits than its factorization.

15728126913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4586933 (or 4586927 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The spelling of 15728126913 in words is "fifteen billion, seven hundred twenty-eight million, one hundred twenty-six thousand, nine hundred thirteen".