1288055988856 has 32 divisors (see below), whose sum is σ = 2972436899040. Its totient is φ = 509560610688.

The previous prime is 1288055988847. The next prime is 1288055988941. The reversal of 1288055988856 is 6588895508821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 884653111 + ... + 884654566.

It is an arithmetic number, because the mean of its divisors is an integer number (92888653095).

Almost surely, 2^{1288055988856} is an apocalyptic number.

It is an amenable number.

1288055988856 is an abundant number, since it is smaller than the sum of its proper divisors (1684380910184).

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

1288055988856 is a wasteful number, since it uses less digits than its factorization.

1288055988856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1769307703 (or 1769307699 counting only the distinct ones).

The product of its (nonzero) digits is 442368000, while the sum is 73.

The spelling of 1288055988856 in words is "one trillion, two hundred eighty-eight billion, fifty-five million, nine hundred eighty-eight thousand, eight hundred fifty-six".