12111838104588 has 48 divisors (see below), whose sum is σ = 28317321131904. Its totient is φ = 4029228311680.

The previous prime is 12111838104539. The next prime is 12111838104589. The reversal of 12111838104588 is 88540183811121.

It is a self number, because there is not a number n which added to its sum of digits gives 12111838104588.

It is not an unprimeable number, because it can be changed into a prime (12111838104589) 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, 92883331 + ... + 93013637.

It is an arithmetic number, because the mean of its divisors is an integer number (589944190248).

Almost surely, 2^{12111838104588} is an apocalyptic number.

It is an amenable number.

12111838104588 is an abundant number, since it is smaller than the sum of its proper divisors (16205483027316).

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

12111838104588 is a wasteful number, since it uses less digits than its factorization.

12111838104588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145702 (or 145700 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 51.

The spelling of 12111838104588 in words is "twelve trillion, one hundred eleven billion, eight hundred thirty-eight million, one hundred four thousand, five hundred eighty-eight".