12005054111 has 2 divisors, whose sum is σ = 12005054112. Its totient is φ = 12005054110.

The previous prime is 12005054071. The next prime is 12005054137. The reversal of 12005054111 is 11145050021.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12005054111 - 2²² = 12000859807 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12005056111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6002527055 + 6002527056.

It is an arithmetic number, because the mean of its divisors is an integer number (6002527056).

Almost surely, 2^12005054111 is an apocalyptic number.

12005054111 is a deficient number, since it is larger than the sum of its proper divisors (1).

12005054111 is an equidigital number, since it uses as much as digits as its factorization.

12005054111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 200, while the sum is 20.

The spelling of 12005054111 in words is "twelve billion, five million, fifty-four thousand, one hundred eleven".