1158528364928 has 64 divisors (see below), whose sum is σ = 2520223295040. Its totient is φ = 526102080000.

The previous prime is 1158528364921. The next prime is 1158528364963. The reversal of 1158528364928 is 8294638258511.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158528364921) 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, 1088363 + ... + 1871253.

It is an arithmetic number, because the mean of its divisors is an integer number (39378488985).

Almost surely, 2^{1158528364928} 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 1158528364928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1260111647520).

1158528364928 is an abundant number, since it is smaller than the sum of its proper divisors (1361694930112).

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

1158528364928 is a wasteful number, since it uses less digits than its factorization.

1158528364928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783967 (or 783955 counting only the distinct ones).

The product of its digits is 33177600, while the sum is 62.

The spelling of 1158528364928 in words is "one trillion, one hundred fifty-eight billion, five hundred twenty-eight million, three hundred sixty-four thousand, nine hundred twenty-eight".