15728288905 has 48 divisors (see below), whose sum is σ = 22954208256. Its totient is φ = 10132761600.

The previous prime is 15728288903. The next prime is 15728288951. The reversal of 15728288905 is 50988282751.

15728288905 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 15728288905 - 2¹ = 15728288903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (15728288903) 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 47 ways as a sum of consecutive naturals, for example, 8060680 + ... + 8062630.

It is an arithmetic number, because the mean of its divisors is an integer number (478212672).

Almost surely, 2^15728288905 is an apocalyptic number.

It is an amenable number.

15728288905 is a deficient number, since it is larger than the sum of its proper divisors (7225919351).

15728288905 is a wasteful number, since it uses less digits than its factorization.

15728288905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2794 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 55.

The spelling of 15728288905 in words is "fifteen billion, seven hundred twenty-eight million, two hundred eighty-eight thousand, nine hundred five".