1158387715 has 8 divisors (see below), whose sum is σ = 1390588848. Its totient is φ = 926361120.

The previous prime is 1158387697. The next prime is 1158387731. The reversal of 1158387715 is 5177838511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1158387715 - 2¹⁵ = 1158354947 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28557 + ... + 55966.

It is an arithmetic number, because the mean of its divisors is an integer number (173823606).

Almost surely, 2^1158387715 is an apocalyptic number.

1158387715 is a deficient number, since it is larger than the sum of its proper divisors (232201133).

1158387715 is an equidigital number, since it uses as much as digits as its factorization.

1158387715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87269.

The product of its digits is 235200, while the sum is 46.

The square root of 1158387715 is about 34035.0953428957. The cubic root of 1158387715 is about 1050.2305510365.

The spelling of 1158387715 in words is "one billion, one hundred fifty-eight million, three hundred eighty-seven thousand, seven hundred fifteen".