128002655223126 has 32 divisors (see below), whose sum is σ = 286359407676000. Its totient is φ = 42381192330720.

The previous prime is 128002655223119. The next prime is 128002655223161. The reversal of 128002655223126 is 621322556200821.

128002655223126 is a `hidden beast` number, since 1 + 2 + 80 + 0 + 2 + 6 + 552 + 2 + 3 + 12 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7954419945 + ... + 7954436036.

It is an arithmetic number, because the mean of its divisors is an integer number (8948731489875).

Almost surely, 2^{128002655223126} is an apocalyptic number.

128002655223126 is an abundant number, since it is smaller than the sum of its proper divisors (158356752452874).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

128002655223126 is a wasteful number, since it uses less digits than its factorization.

128002655223126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15908856141 (or 15908856135 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 128002655223126 in words is "one hundred twenty-eight trillion, two billion, six hundred fifty-five million, two hundred twenty-three thousand, one hundred twenty-six".