1158358712 has 64 divisors (see below), whose sum is σ = 2652000000. Its totient is φ = 463262976.

The previous prime is 1158358709. The next prime is 1158358739. The reversal of 1158358712 is 2178538511.

It is a self number, because there is not a number n which added to its sum of digits gives 1158358712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63164 + ... + 79412.

It is an arithmetic number, because the mean of its divisors is an integer number (41437500).

Almost surely, 2^1158358712 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 1158358712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1326000000).

1158358712 is an abundant number, since it is smaller than the sum of its proper divisors (1493641288).

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

1158358712 is a wasteful number, since it uses less digits than its factorization.

1158358712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16348 (or 16344 counting only the distinct ones).

The product of its digits is 67200, while the sum is 41.

The square root of 1158358712 is about 34034.6692653241. The cubic root of 1158358712 is about 1050.2217859543.

The spelling of 1158358712 in words is "one billion, one hundred fifty-eight million, three hundred fifty-eight thousand, seven hundred twelve".