83516537811 has 24 divisors (see below), whose sum is σ = 132291947520. Its totient is φ = 46708333392.

The previous prime is 83516537779. The next prime is 83516537833. The reversal of 83516537811 is 11873561538.

It is not a de Polignac number, because 83516537811 - 2⁵ = 83516537779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83516537311) 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 23 ways as a sum of consecutive naturals, for example, 6037131 + ... + 6050948.

It is an arithmetic number, because the mean of its divisors is an integer number (5512164480).

Almost surely, 2^83516537811 is an apocalyptic number.

83516537811 is a deficient number, since it is larger than the sum of its proper divisors (48775409709).

83516537811 is a wasteful number, since it uses less digits than its factorization.

83516537811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12088143 (or 12088136 counting only the distinct ones).

The product of its digits is 604800, while the sum is 48.

The spelling of 83516537811 in words is "eighty-three billion, five hundred sixteen million, five hundred thirty-seven thousand, eight hundred eleven".