1288055988855 has 32 divisors (see below), whose sum is σ = 2291166360000. Its totient is φ = 686576480256.

The previous prime is 1288055988847. The next prime is 1288055988941. The reversal of 1288055988855 is 5588895508821.

1288055988855 is a `hidden beast` number, since 1 + 28 + 8 + 0 + 5 + 598 + 8 + 8 + 5 + 5 = 666.

It is not a de Polignac number, because 1288055988855 - 2³ = 1288055988847 is a prime.

It is a super-2 number, since 2×1288055988855² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2444730 + ... + 2924519.

It is an arithmetic number, because the mean of its divisors is an integer number (71598948750).

Almost surely, 2^{1288055988855} is an apocalyptic number.

1288055988855 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1288055988855 is a deficient number, since it is larger than the sum of its proper divisors (1003110371145).

1288055988855 is a wasteful number, since it uses less digits than its factorization.

1288055988855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5371040 (or 5371034 counting only the distinct ones).

The product of its (nonzero) digits is 368640000, while the sum is 72.

The spelling of 1288055988855 in words is "one trillion, two hundred eighty-eight billion, fifty-five million, nine hundred eighty-eight thousand, eight hundred fifty-five".