65143541611 has 2 divisors, whose sum is σ = 65143541612. Its totient is φ = 65143541610.

The previous prime is 65143541581. The next prime is 65143541621. The reversal of 65143541611 is 11614534156.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65143541611 is a prime.

It is not a weakly prime, because it can be changed into another prime (65143541621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32571770805 + 32571770806.

It is an arithmetic number, because the mean of its divisors is an integer number (32571770806).

Almost surely, 2^65143541611 is an apocalyptic number.

65143541611 is a deficient number, since it is larger than the sum of its proper divisors (1).

65143541611 is an equidigital number, since it uses as much as digits as its factorization.

65143541611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43200, while the sum is 37.

The spelling of 65143541611 in words is "sixty-five billion, one hundred forty-three million, five hundred forty-one thousand, six hundred eleven".