83111011138 has 8 divisors (see below), whose sum is σ = 124788622140. Its totient is φ = 41514803760.

The previous prime is 83111011099. The next prime is 83111011141.

83111011138 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 81868660129 + 1242351009 = 286127^2 + 35247^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20348353 + ... + 20352436.

Almost surely, 2^83111011138 is an apocalyptic number.

83111011138 is a deficient number, since it is larger than the sum of its proper divisors (41677611002).

83111011138 is a wasteful number, since it uses less digits than its factorization.

83111011138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40701812.

The product of its (nonzero) digits is 576, while the sum is 28.

It can be divided in two parts, 831110 and 11138, that added together give a palindrome (842248).

The spelling of 83111011138 in words is "eighty-three billion, one hundred eleven million, eleven thousand, one hundred thirty-eight".