985118543 has 8 divisors (see below), whose sum is σ = 1049822208. Its totient is φ = 922237624.

The previous prime is 985118507. The next prime is 985118581. The reversal of 985118543 is 345811589.

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

It is a de Polignac number, because none of the positive numbers 2^k-985118543 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 985118494 and 985118503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985118143) 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, 454571 + ... + 456732.

It is an arithmetic number, because the mean of its divisors is an integer number (131227776).

Almost surely, 2^985118543 is an apocalyptic number.

985118543 is a deficient number, since it is larger than the sum of its proper divisors (64703665).

985118543 is a wasteful number, since it uses less digits than its factorization.

985118543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911373.

The product of its digits is 172800, while the sum is 44.

The square root of 985118543 is about 31386.5981431566. The cubic root of 985118543 is about 995.0147024418.

The spelling of 985118543 in words is "nine hundred eighty-five million, one hundred eighteen thousand, five hundred forty-three".