128284311315273 has 16 divisors (see below), whose sum is σ = 172645014940416. Its totient is φ = 84723247507280.

The previous prime is 128284311315271. The next prime is 128284311315311. The reversal of 128284311315273 is 372513113482821.

It is a cyclic number.

It is not a de Polignac number, because 128284311315273 - 2¹ = 128284311315271 is a prime.

It is a super-3 number, since 3×128284311315273³ (a number of 43 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (128284311315271) 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, 94978090 + ... + 96319292.

It is an arithmetic number, because the mean of its divisors is an integer number (10790313433776).

Almost surely, 2^{128284311315273} is an apocalyptic number.

It is an amenable number.

128284311315273 is a deficient number, since it is larger than the sum of its proper divisors (44360703625143).

128284311315273 is a wasteful number, since it uses less digits than its factorization.

128284311315273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1639284.

The product of its digits is 1935360, while the sum is 51.

The spelling of 128284311315273 in words is "one hundred twenty-eight trillion, two hundred eighty-four billion, three hundred eleven million, three hundred fifteen thousand, two hundred seventy-three".