1288750485804 has 24 divisors (see below), whose sum is σ = 3007103075760. Its totient is φ = 429580836864.

The previous prime is 1288750485797. The next prime is 1288750485809. The reversal of 1288750485804 is 4085840578821.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (1288750485809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3133612 + ... + 3520940.

It is an arithmetic number, because the mean of its divisors is an integer number (125295961490).

Almost surely, 2^{1288750485804} is an apocalyptic number.

It is an amenable number.

1288750485804 is an abundant number, since it is smaller than the sum of its proper divisors (1718352589956).

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

1288750485804 is a wasteful number, since it uses less digits than its factorization.

1288750485804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664609 (or 664607 counting only the distinct ones).

The product of its (nonzero) digits is 22937600, while the sum is 60.

The spelling of 1288750485804 in words is "one trillion, two hundred eighty-eight billion, seven hundred fifty million, four hundred eighty-five thousand, eight hundred four".