83111211137 has 32 divisors (see below), whose sum is σ = 88958995200. Its totient is φ = 77482994688.

The previous prime is 83111211101. The next prime is 83111211167. The reversal of 83111211137 is 73111211138.

It is not a de Polignac number, because 83111211137 - 2⁸ = 83111210881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83111211167) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 50156813 + ... + 50158469.

It is an arithmetic number, because the mean of its divisors is an integer number (2779968600).

Almost surely, 2^83111211137 is an apocalyptic number.

It is an amenable number.

83111211137 is a deficient number, since it is larger than the sum of its proper divisors (5847784063).

83111211137 is a wasteful number, since it uses less digits than its factorization.

83111211137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105.

The product of its digits is 1008, while the sum is 29.

Subtracting from 83111211137 its reverse (73111211138), we obtain a palindrome (9999999999).

The spelling of 83111211137 in words is "eighty-three billion, one hundred eleven million, two hundred eleven thousand, one hundred thirty-seven".