1158839053999 has 4 divisors (see below), whose sum is σ = 1264188058920. Its totient is φ = 1053490049080.

The previous prime is 1158839053973. The next prime is 1158839054003. The reversal of 1158839053999 is 9993509388511.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1158839053999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1158839053949) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52674502444 + ... + 52674502465.

It is an arithmetic number, because the mean of its divisors is an integer number (316047014730).

Almost surely, 2^{1158839053999} is an apocalyptic number.

1158839053999 is a deficient number, since it is larger than the sum of its proper divisors (105349004921).

1158839053999 is a wasteful number, since it uses less digits than its factorization.

1158839053999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105349004920.

The product of its (nonzero) digits is 94478400, while the sum is 70.

The spelling of 1158839053999 in words is "one trillion, one hundred fifty-eight billion, eight hundred thirty-nine million, fifty-three thousand, nine hundred ninety-nine".