1158585417 has 32 divisors (see below), whose sum is σ = 1953884160. Its totient is φ = 671639760.

The previous prime is 1158585359. The next prime is 1158585427. The reversal of 1158585417 is 7145858511.

1158585417 is a `hidden beast` number, since 1 + 1 + 58 + 58 + 541 + 7 = 666.

It is not a de Polignac number, because 1158585417 - 2⁸ = 1158585161 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1158585427) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 77973 + ... + 91634.

It is an arithmetic number, because the mean of its divisors is an integer number (61058880).

Almost surely, 2^1158585417 is an apocalyptic number.

It is an amenable number.

1158585417 is a deficient number, since it is larger than the sum of its proper divisors (795298743).

1158585417 is a wasteful number, since it uses less digits than its factorization.

1158585417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169650 (or 169644 counting only the distinct ones).

The product of its digits is 224000, while the sum is 45.

The square root of 1158585417 is about 34037.9996033845. Note that the first 3 decimals coincide. The cubic root of 1158585417 is about 1050.2902952444.

The spelling of 1158585417 in words is "one billion, one hundred fifty-eight million, five hundred eighty-five thousand, four hundred seventeen".