12145738811 has 2 divisors, whose sum is σ = 12145738812. Its totient is φ = 12145738810.

The previous prime is 12145738747. The next prime is 12145738817. The reversal of 12145738811 is 11883754121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12145738811 - 2⁶ = 12145738747 is a prime.

It is not a weakly prime, because it can be changed into another prime (12145738817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6072869405 + 6072869406.

It is an arithmetic number, because the mean of its divisors is an integer number (6072869406).

Almost surely, 2^12145738811 is an apocalyptic number.

12145738811 is a deficient number, since it is larger than the sum of its proper divisors (1).

12145738811 is an equidigital number, since it uses as much as digits as its factorization.

12145738811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 41.

The spelling of 12145738811 in words is "twelve billion, one hundred forty-five million, seven hundred thirty-eight thousand, eight hundred eleven".