128262357852585 has 96 divisors (see below), whose sum is σ = 227815647072384. Its totient is φ = 61572355891200.

The previous prime is 128262357852553. The next prime is 128262357852589. The reversal of 128262357852585 is 585258753262821.

It is not a de Polignac number, because 128262357852585 - 2⁵ = 128262357852553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128262357852589) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 73044579 + ... + 74779911.

It is an arithmetic number, because the mean of its divisors is an integer number (2373079657004).

Almost surely, 2^{128262357852585} is an apocalyptic number.

128262357852585 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

128262357852585 is a deficient number, since it is larger than the sum of its proper divisors (99553289219799).

128262357852585 is a wasteful number, since it uses less digits than its factorization.

128262357852585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1735767 (or 1735756 counting only the distinct ones).

The product of its digits is 645120000, while the sum is 69.

The spelling of 128262357852585 in words is "one hundred twenty-eight trillion, two hundred sixty-two billion, three hundred fifty-seven million, eight hundred fifty-two thousand, five hundred eighty-five".