1158973516803 has 16 divisors (see below), whose sum is σ = 1551395878560. Its totient is φ = 769600413696.

The previous prime is 1158973516741. The next prime is 1158973516817. The reversal of 1158973516803 is 3086153798511.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-1158973516803 is a prime.

It is a super-3 number, since 3×1158973516803³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (1158973516703) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 21003013 + ... + 21058121.

It is an arithmetic number, because the mean of its divisors is an integer number (96962242410).

Almost surely, 2^{1158973516803} is an apocalyptic number.

1158973516803 is a deficient number, since it is larger than the sum of its proper divisors (392422361757).

1158973516803 is a wasteful number, since it uses less digits than its factorization.

1158973516803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82646.

The product of its (nonzero) digits is 5443200, while the sum is 57.

The spelling of 1158973516803 in words is "one trillion, one hundred fifty-eight billion, nine hundred seventy-three million, five hundred sixteen thousand, eight hundred three".