1158698983994 has 8 divisors (see below), whose sum is σ = 1742586462720. Its totient is φ = 577836829756.

The previous prime is 1158698983987. The next prime is 1158698983999. The reversal of 1158698983994 is 4993898968511.

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

It is not an unprimeable number, because it can be changed into a prime (1158698983999) 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, 756330164 + ... + 756331695.

It is an arithmetic number, because the mean of its divisors is an integer number (217823307840).

Almost surely, 2^{1158698983994} is an apocalyptic number.

1158698983994 is a deficient number, since it is larger than the sum of its proper divisors (583887478726).

1158698983994 is a wasteful number, since it uses less digits than its factorization.

1158698983994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512662244.

The product of its digits is 1209323520, while the sum is 80.

The spelling of 1158698983994 in words is "one trillion, one hundred fifty-eight billion, six hundred ninety-eight million, nine hundred eighty-three thousand, nine hundred ninety-four".