82443543511 has 8 divisors (see below), whose sum is σ = 99180202880. Its totient is φ = 66946636728.

The previous prime is 82443543503. The next prime is 82443543527. The reversal of 82443543511 is 11534534428.

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

It is a cyclic number.

It is not a de Polignac number, because 82443543511 - 2³ = 82443543503 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 (82443543211) 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 7 ways as a sum of consecutive naturals, for example, 309938001 + ... + 309938266.

It is an arithmetic number, because the mean of its divisors is an integer number (12397525360).

Almost surely, 2^82443543511 is an apocalyptic number.

82443543511 is a deficient number, since it is larger than the sum of its proper divisors (16736659369).

82443543511 is a wasteful number, since it uses less digits than its factorization.

82443543511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619876293.

The product of its digits is 230400, while the sum is 40.

The spelling of 82443543511 in words is "eighty-two billion, four hundred forty-three million, five hundred forty-three thousand, five hundred eleven".