128815026594908 has 12 divisors (see below), whose sum is σ = 225446829116040. Its totient is φ = 64401646847472.

The previous prime is 128815026594901. The next prime is 128815026594937. The reversal of 128815026594908 is 809495620518821.

It is a super-2 number, since 2×128815026594908² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128815026594901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1466563091 + ... + 1466650922.

It is an arithmetic number, because the mean of its divisors is an integer number (18787235759670).

Almost surely, 2^{128815026594908} is an apocalyptic number.

It is an amenable number.

128815026594908 is a deficient number, since it is larger than the sum of its proper divisors (96631802521132).

128815026594908 is a wasteful number, since it uses less digits than its factorization.

128815026594908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2933224996 (or 2933224994 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 68.

The spelling of 128815026594908 in words is "one hundred twenty-eight trillion, eight hundred fifteen billion, twenty-six million, five hundred ninety-four thousand, nine hundred eight".