1159868688784 has 135 divisors (see below), whose sum is σ = 2467600756803. Its totient is φ = 527905827072.

The previous prime is 1159868688757. The next prime is 1159868688809. The reversal of 1159868688784 is 4878868689511.

It is a happy number.

The square root of 1159868688784 is 1076972.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 627739290000 + 532129398784 = 792300^2 + 729472^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 7784353542 + ... + 7784353690.

Almost surely, 2^{1159868688784} is an apocalyptic number.

1159868688784 is the 1076972-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1159868688784

1159868688784 is an abundant number, since it is smaller than the sum of its proper divisors (1307732068019).

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

1159868688784 is an equidigital number, since it uses as much as digits as its factorization.

1159868688784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 610 (or 303 counting only the distinct ones).

The product of its digits is 1486356480, while the sum is 79.

The spelling of 1159868688784 in words is "one trillion, one hundred fifty-nine billion, eight hundred sixty-eight million, six hundred eighty-eight thousand, seven hundred eighty-four".