1158317579392 has 32 divisors (see below), whose sum is σ = 2308013017200. Its totient is φ = 579051567360.

The previous prime is 1158317579369. The next prime is 1158317579453. The reversal of 1158317579392 is 2939757138511.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1158317579392² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1158317579392.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141334 + ... + 1528597.

Almost surely, 2^{1158317579392} is an apocalyptic number.

It is an amenable number.

1158317579392 is a deficient number, since it is larger than the sum of its proper divisors (1149695437808).

1158317579392 is an equidigital number, since it uses as much as digits as its factorization.

1158317579392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675364 (or 1675352 counting only the distinct ones).

The product of its digits is 14288400, while the sum is 61.

The spelling of 1158317579392 in words is "one trillion, one hundred fifty-eight billion, three hundred seventeen million, five hundred seventy-nine thousand, three hundred ninety-two".