128585253237 has 8 divisors (see below), whose sum is σ = 195939433536. Its totient is φ = 73477287552.

The previous prime is 128585253133. The next prime is 128585253241. The reversal of 128585253237 is 732352585821.

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

It is not a de Polignac number, because 128585253237 - 2¹⁴ = 128585236853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 128585253237.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128585253437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3061553628 + ... + 3061553669.

It is an arithmetic number, because the mean of its divisors is an integer number (24492429192).

Almost surely, 2^128585253237 is an apocalyptic number.

It is an amenable number.

128585253237 is a deficient number, since it is larger than the sum of its proper divisors (67354180299).

128585253237 is an equidigital number, since it uses as much as digits as its factorization.

128585253237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6123107307.

The product of its digits is 4032000, while the sum is 51.

The spelling of 128585253237 in words is "one hundred twenty-eight billion, five hundred eighty-five million, two hundred fifty-three thousand, two hundred thirty-seven".