1158532106508 has 144 divisors (see below), whose sum is σ = 3387275854144. Its totient is φ = 327024967680.

The previous prime is 1158532106503. The next prime is 1158532106509. The reversal of 1158532106508 is 8056012358511.

1158532106508 is a `hidden beast` number, since 1 + 1 + 5 + 8 + 5 + 32 + 106 + 508 = 666.

It is not an unprimeable number, because it can be changed into a prime (1158532106503) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 14063118 + ... + 14145258.

Almost surely, 2^{1158532106508} is an apocalyptic number.

1158532106508 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 1158532106508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1693637927072).

1158532106508 is an abundant number, since it is smaller than the sum of its proper divisors (2228743747636).

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

1158532106508 is a wasteful number, since it uses less digits than its factorization.

1158532106508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82832 (or 82827 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 45.

The spelling of 1158532106508 in words is "one trillion, one hundred fifty-eight billion, five hundred thirty-two million, one hundred six thousand, five hundred eight".