28753571451 has 16 divisors (see below), whose sum is σ = 41831792640. Its totient is φ = 17422900320.

The previous prime is 28753571443. The next prime is 28753571489. The reversal of 28753571451 is 15417535782.

It is not a de Polignac number, because 28753571451 - 2³ = 28753571443 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28753571451.

It is not an unprimeable number, because it can be changed into a prime (28753572451) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83821 + ... + 254033.

It is an arithmetic number, because the mean of its divisors is an integer number (2614487040).

Almost surely, 2^28753571451 is an apocalyptic number.

28753571451 is a deficient number, since it is larger than the sum of its proper divisors (13078221189).

28753571451 is a wasteful number, since it uses less digits than its factorization.

28753571451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175346.

The product of its digits is 1176000, while the sum is 48.

The spelling of 28753571451 in words is "twenty-eight billion, seven hundred fifty-three million, five hundred seventy-one thousand, four hundred fifty-one".