15228688047 has 8 divisors (see below), whose sum is σ = 20401150080. Its totient is φ = 10104342360.

The previous prime is 15228688039. The next prime is 15228688067. The reversal of 15228688047 is 74088682251.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 15228688047 - 2³ = 15228688039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15228688067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12028347 + ... + 12029612.

It is an arithmetic number, because the mean of its divisors is an integer number (2550143760).

Almost surely, 2^15228688047 is an apocalyptic number.

15228688047 is a deficient number, since it is larger than the sum of its proper divisors (5172462033).

15228688047 is a wasteful number, since it uses less digits than its factorization.

15228688047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24058173.

The product of its (nonzero) digits is 1720320, while the sum is 51.

The spelling of 15228688047 in words is "fifteen billion, two hundred twenty-eight million, six hundred eighty-eight thousand, forty-seven".