128158110026864 has 20 divisors (see below), whose sum is σ = 248736678469104. Its totient is φ = 63967999454208.

The previous prime is 128158110026861. The next prime is 128158110026867. The reversal of 128158110026864 is 468620011851821.

It is an interprime number because it is at equal distance from previous prime (128158110026861) and next prime (128158110026867).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128158110026861) 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, 6940962932 + ... + 6940981395.

Almost surely, 2^{128158110026864} is an apocalyptic number.

It is an amenable number.

128158110026864 is a deficient number, since it is larger than the sum of its proper divisors (120578568442240).

128158110026864 is a wasteful number, since it uses less digits than its factorization.

128158110026864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13881944912 (or 13881944906 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 53.

The spelling of 128158110026864 in words is "one hundred twenty-eight trillion, one hundred fifty-eight billion, one hundred ten million, twenty-six thousand, eight hundred sixty-four".