1158425785 has 16 divisors (see below), whose sum is σ = 1557473472. Its totient is φ = 819720000.

The previous prime is 1158425729. The next prime is 1158425809. The reversal of 1158425785 is 5875248511.

It is not a de Polignac number, because 1158425785 - 2⁷ = 1158425657 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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 282591 + ... + 286660.

It is an arithmetic number, because the mean of its divisors is an integer number (97342092).

Almost surely, 2^1158425785 is an apocalyptic number.

It is an amenable number.

1158425785 is a deficient number, since it is larger than the sum of its proper divisors (399047687).

1158425785 is a wasteful number, since it uses less digits than its factorization.

1158425785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569304.

The product of its digits is 448000, while the sum is 46.

The square root of 1158425785 is about 34035.6546139486. The cubic root of 1158425785 is about 1050.2420560616.

The spelling of 1158425785 in words is "one billion, one hundred fifty-eight million, four hundred twenty-five thousand, seven hundred eighty-five".