1158359613 has 8 divisors (see below), whose sum is σ = 1545314208. Its totient is φ = 771822384.

The previous prime is 1158359581. The next prime is 1158359623. The reversal of 1158359613 is 3169538511.

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

It is not a de Polignac number, because 1158359613 - 2⁵ = 1158359581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158359623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97806 + ... + 109007.

It is an arithmetic number, because the mean of its divisors is an integer number (193164276).

Almost surely, 2^1158359613 is an apocalyptic number.

It is an amenable number.

1158359613 is a deficient number, since it is larger than the sum of its proper divisors (386954595).

1158359613 is a wasteful number, since it uses less digits than its factorization.

1158359613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208683.

The product of its digits is 97200, while the sum is 42.

The square root of 1158359613 is about 34034.6825018245. The cubic root of 1158359613 is about 1050.2220582503. Note that the first 3 decimals are identical.

The spelling of 1158359613 in words is "one billion, one hundred fifty-eight million, three hundred fifty-nine thousand, six hundred thirteen".