1189737920928 has 192 divisors, whose sum is σ = 3574891635840. Its totient is φ = 344049057792.

The previous prime is 1189737920881. The next prime is 1189737921011. The reversal of 1189737920928 is 8290297379811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 628800 + ... + 1665792.

It is an arithmetic number, because the mean of its divisors is an integer number (18619227270).

Almost surely, 2^{1189737920928} 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 1189737920928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1787445817920).

1189737920928 is an abundant number, since it is smaller than the sum of its proper divisors (2385153714912).

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

1189737920928 is a wasteful number, since it uses less digits than its factorization.

1189737920928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037079 (or 1037071 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 66.

The spelling of 1189737920928 in words is "one trillion, one hundred eighty-nine billion, seven hundred thirty-seven million, nine hundred twenty thousand, nine hundred twenty-eight".