1288053500000 has 84 divisors (see below), whose sum is σ = 3169779816924. Its totient is φ = 515221200000.

The previous prime is 1288053499991. The next prime is 1288053500021. The reversal of 1288053500000 is 53508821.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a self number, because there is not a number n which added to its sum of digits gives 1288053500000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 788054 + ... + 1788053.

It is an arithmetic number, because the mean of its divisors is an integer number (37735474011).

Almost surely, 2^{1288053500000} is an apocalyptic number.

1288053500000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1288053500000 is an abundant number, since it is smaller than the sum of its proper divisors (1881726316924).

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

1288053500000 is an frugal number, since it uses more digits than its factorization.

1288053500000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2576147 (or 2576114 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 1288053500000 in words is "one trillion, two hundred eighty-eight billion, fifty-three million, five hundred thousand".