1189478028288 has 704 divisors, whose sum is σ = 3745770255360. Its totient is φ = 334540800000.

The previous prime is 1189478028259. The next prime is 1189478028331. The reversal of 1189478028288 is 8828208749811.

It is a tau number, because it is divible by the number of its divisors (704).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4738956163 + ... + 4738956413.

Almost surely, 2^{1189478028288} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1189478028288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1872885127680).

1189478028288 is an abundant number, since it is smaller than the sum of its proper divisors (2556292227072).

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

1189478028288 is a wasteful number, since it uses less digits than its factorization.

1189478028288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 387 (or 347 counting only the distinct ones).

The product of its (nonzero) digits is 33030144, while the sum is 66.

The spelling of 1189478028288 in words is "one trillion, one hundred eighty-nine billion, four hundred seventy-eight million, twenty-eight thousand, two hundred eighty-eight".