15728045912 has 16 divisors (see below), whose sum is σ = 29491557360. Its totient is φ = 7863630624.

The previous prime is 15728045903. The next prime is 15728045917. The reversal of 15728045912 is 21954082751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15728045917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189698 + ... + 259694.

It is an arithmetic number, because the mean of its divisors is an integer number (1843222335).

Almost surely, 2^15728045912 is an apocalyptic number.

It is an amenable number.

15728045912 is a deficient number, since it is larger than the sum of its proper divisors (13763511448).

15728045912 is a wasteful number, since it uses less digits than its factorization.

15728045912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98090 (or 98086 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 44.

The spelling of 15728045912 in words is "fifteen billion, seven hundred twenty-eight million, forty-five thousand, nine hundred twelve".