83158112811 has 16 divisors (see below), whose sum is σ = 112805994240. Its totient is φ = 54476274720.

The previous prime is 83158112797. The next prime is 83158112813. The reversal of 83158112811 is 11821185138.

It is not a de Polignac number, because 83158112811 - 2¹⁰ = 83158111787 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 83158112811.

It is not an unprimeable number, because it can be changed into a prime (83158112813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36495 + ... + 409448.

It is an arithmetic number, because the mean of its divisors is an integer number (7050374640).

Almost surely, 2^83158112811 is an apocalyptic number.

83158112811 is a deficient number, since it is larger than the sum of its proper divisors (29647881429).

83158112811 is a wasteful number, since it uses less digits than its factorization.

83158112811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447026.

The product of its digits is 15360, while the sum is 39.

Adding to 83158112811 its reverse (11821185138), we get a palindrome (94979297949).

The spelling of 83158112811 in words is "eighty-three billion, one hundred fifty-eight million, one hundred twelve thousand, eight hundred eleven".