12643157411 has 2 divisors, whose sum is σ = 12643157412. Its totient is φ = 12643157410.

The previous prime is 12643157389. The next prime is 12643157419. The reversal of 12643157411 is 11475134621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12643157411 - 2¹⁰ = 12643156387 is a prime.

It is not a weakly prime, because it can be changed into another prime (12643157419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6321578705 + 6321578706.

It is an arithmetic number, because the mean of its divisors is an integer number (6321578706).

Almost surely, 2^12643157411 is an apocalyptic number.

12643157411 is a deficient number, since it is larger than the sum of its proper divisors (1).

12643157411 is an equidigital number, since it uses as much as digits as its factorization.

12643157411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20160, while the sum is 35.

The spelling of 12643157411 in words is "twelve billion, six hundred forty-three million, one hundred fifty-seven thousand, four hundred eleven".