83111211211138 has 32 divisors (see below), whose sum is σ = 136070248553280. Its totient is φ = 37758358344960.

The previous prime is 83111211211123. The next prime is 83111211211139.

83111211211138 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (83111211211139) 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, 598330798 + ... + 598469686.

It is an arithmetic number, because the mean of its divisors is an integer number (4252195267290).

Almost surely, 2^{83111211211138} is an apocalyptic number.

83111211211138 is a deficient number, since it is larger than the sum of its proper divisors (52959037342142).

83111211211138 is a wasteful number, since it uses less digits than its factorization.

83111211211138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152722.

The product of its digits is 2304, while the sum is 34.

It can be divided in two parts, 8311121 and 1211138, that added together give a palindrome (9522259).

The spelling of 83111211211138 in words is "eighty-three trillion, one hundred eleven billion, two hundred eleven million, two hundred eleven thousand, one hundred thirty-eight".