85811520724483 has 4 divisors (see below), whose sum is σ = 85883449913208. Its totient is φ = 85739591535760.

The previous prime is 85811520724459. The next prime is 85811520724543. The reversal of 85811520724483 is 38442702511858.

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-85811520724483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85811520724453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35964592573 + ... + 35964594958.

It is an arithmetic number, because the mean of its divisors is an integer number (21470862478302).

Almost surely, 2^{85811520724483} is an apocalyptic number.

85811520724483 is a deficient number, since it is larger than the sum of its proper divisors (71929188725).

85811520724483 is a wasteful number, since it uses less digits than its factorization.

85811520724483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71929188724.

The product of its (nonzero) digits is 17203200, while the sum is 58.

The spelling of 85811520724483 in words is "eighty-five trillion, eight hundred eleven billion, five hundred twenty million, seven hundred twenty-four thousand, four hundred eighty-three".