128803827555954 has 64 divisors (see below), whose sum is σ = 286724971008000. Its totient is φ = 42860480938704.

The previous prime is 128803827555947. The next prime is 128803827555961. The reversal of 128803827555954 is 459555728308821.

128803827555954 is a `hidden beast` number, since 1 + 2 + 8 + 8 + 0 + 3 + 8 + 27 + 5 + 5 + 595 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (128803827555947) and next prime (128803827555961).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 617283789 + ... + 617492415.

It is an arithmetic number, because the mean of its divisors is an integer number (4480077672000).

Almost surely, 2^{128803827555954} is an apocalyptic number.

128803827555954 is an abundant number, since it is smaller than the sum of its proper divisors (157921143452046).

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

128803827555954 is a wasteful number, since it uses less digits than its factorization.

128803827555954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228324 (or 228318 counting only the distinct ones).

The product of its (nonzero) digits is 967680000, while the sum is 72.

The spelling of 128803827555954 in words is "one hundred twenty-eight trillion, eight hundred three billion, eight hundred twenty-seven million, five hundred fifty-five thousand, nine hundred fifty-four".