83111211138 has 16 divisors (see below), whose sum is σ = 166753488096. Its totient is φ = 27615226080.

The previous prime is 83111211101. The next prime is 83111211167.

83111211138 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22125708 + ... + 22129463.

It is an arithmetic number, because the mean of its divisors is an integer number (10422093006).

Almost surely, 2^83111211138 is an apocalyptic number.

83111211138 is an abundant number, since it is smaller than the sum of its proper divisors (83642276958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83111211138 is a wasteful number, since it uses less digits than its factorization.

83111211138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44255489.

The product of its digits is 1152, while the sum is 30.

The spelling of 83111211138 in words is "eighty-three billion, one hundred eleven million, two hundred eleven thousand, one hundred thirty-eight".