12545514211 has 2 divisors, whose sum is σ = 12545514212. Its totient is φ = 12545514210.

The previous prime is 12545514203. The next prime is 12545514239. The reversal of 12545514211 is 11241554521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12545514211 - 2³ = 12545514203 is a prime.

It is not a weakly prime, because it can be changed into another prime (12545514281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6272757105 + 6272757106.

It is an arithmetic number, because the mean of its divisors is an integer number (6272757106).

Almost surely, 2^12545514211 is an apocalyptic number.

12545514211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12545514211 is an equidigital number, since it uses as much as digits as its factorization.

12545514211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8000, while the sum is 31.

The spelling of 12545514211 in words is "twelve billion, five hundred forty-five million, five hundred fourteen thousand, two hundred eleven".