128037289975 has 48 divisors (see below), whose sum is σ = 182986788096. Its totient is φ = 87055200000.

The previous prime is 128037289957. The next prime is 128037289999. The reversal of 128037289975 is 579982730821.

It is not a de Polignac number, because 128037289975 - 2¹¹ = 128037287927 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9964555 + ... + 9977395.

It is an arithmetic number, because the mean of its divisors is an integer number (3812224752).

Almost surely, 2^128037289975 is an apocalyptic number.

128037289975 is a deficient number, since it is larger than the sum of its proper divisors (54949498121).

128037289975 is a wasteful number, since it uses less digits than its factorization.

128037289975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13336 (or 13331 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 61.

The spelling of 128037289975 in words is "one hundred twenty-eight billion, thirty-seven million, two hundred eighty-nine thousand, nine hundred seventy-five".