1152989929728 has 1728 divisors, whose sum is σ = 4525521960960. Its totient is φ = 273898340352.

The previous prime is 1152989929669. The next prime is 1152989929739. The reversal of 1152989929728 is 8279299892511.

1152989929728 is a `hidden beast` number, since 1 + 1 + 529 + 8 + 9 + 9 + 2 + 97 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 9078660801 + ... + 9078660927.

It is an arithmetic number, because the mean of its divisors is an integer number (2618936320).

Almost surely, 2^{1152989929728} is an apocalyptic number.

1152989929728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1152989929728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2262760980480).

1152989929728 is an abundant number, since it is smaller than the sum of its proper divisors (3372532031232).

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

1152989929728 is a wasteful number, since it uses less digits than its factorization.

1152989929728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284 (or 267 counting only the distinct ones).

The product of its digits is 117573120, while the sum is 72.

The spelling of 1152989929728 in words is "one trillion, one hundred fifty-two billion, nine hundred eighty-nine million, nine hundred twenty-nine thousand, seven hundred twenty-eight".