12111441054 has 32 divisors (see below), whose sum is σ = 25915781760. Its totient is φ = 3761964000.

The previous prime is 12111441047. The next prime is 12111441061. The reversal of 12111441054 is 45014411121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12111441047) and next prime (12111441061).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 863872 + ... + 877779.

It is an arithmetic number, because the mean of its divisors is an integer number (809868180).

Almost surely, 2^12111441054 is an apocalyptic number.

12111441054 is an abundant number, since it is smaller than the sum of its proper divisors (13804340706).

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

12111441054 is a wasteful number, since it uses less digits than its factorization.

12111441054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741736.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 12111441054 its reverse (45014411121), we get a palindrome (57125852175).

The spelling of 12111441054 in words is "twelve billion, one hundred eleven million, four hundred forty-one thousand, fifty-four".