12040441111 has 4 divisors (see below), whose sum is σ = 12041519152. Its totient is φ = 12039363072.

The previous prime is 12040441093. The next prime is 12040441139. The reversal of 12040441111 is 11114404021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11114404021 = 7 ⋅1587772003.

It is a cyclic number.

It is not a de Polignac number, because 12040441111 - 2⁵ = 12040441079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12040441411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522090 + ... + 544663.

It is an arithmetic number, because the mean of its divisors is an integer number (3010379788).

Almost surely, 2^12040441111 is an apocalyptic number.

12040441111 is a deficient number, since it is larger than the sum of its proper divisors (1078041).

12040441111 is a wasteful number, since it uses less digits than its factorization.

12040441111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078040.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12040441111 its reverse (11114404021), we get a palindrome (23154845132).

The spelling of 12040441111 in words is "twelve billion, forty million, four hundred forty-one thousand, one hundred eleven".