128085480538013 has 8 divisors (see below), whose sum is σ = 130388339656056. Its totient is φ = 125789172940800.

The previous prime is 128085480537977. The next prime is 128085480538063. The reversal of 128085480538013 is 310835084580821.

It can be written as a sum of positive squares in 4 ways, for example, as 11602287001369 + 116483193536644 = 3406213^2 + 10792738^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 128085480538013 - 2¹⁰ = 128085480536989 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 128085480538013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128085480538063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1637840756 + ... + 1637918957.

It is an arithmetic number, because the mean of its divisors is an integer number (16298542457007).

Almost surely, 2^{128085480538013} is an apocalyptic number.

It is an amenable number.

128085480538013 is a deficient number, since it is larger than the sum of its proper divisors (2302859118043).

128085480538013 is an equidigital number, since it uses as much as digits as its factorization.

128085480538013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3275760415.

The product of its (nonzero) digits is 7372800, while the sum is 56.

The spelling of 128085480538013 in words is "one hundred twenty-eight trillion, eighty-five billion, four hundred eighty million, five hundred thirty-eight thousand, thirteen".