65503882811 has 2 divisors, whose sum is σ = 65503882812. Its totient is φ = 65503882810.

The previous prime is 65503882789. The next prime is 65503882813. The reversal of 65503882811 is 11828830556.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65503882811 - 2²⁶ = 65436773947 is a prime.

Together with 65503882813, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (65503882813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32751941405 + 32751941406.

It is an arithmetic number, because the mean of its divisors is an integer number (32751941406).

Almost surely, 2^65503882811 is an apocalyptic number.

65503882811 is a deficient number, since it is larger than the sum of its proper divisors (1).

65503882811 is an equidigital number, since it uses as much as digits as its factorization.

65503882811 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 460800, while the sum is 47.

The spelling of 65503882811 in words is "sixty-five billion, five hundred three million, eight hundred eighty-two thousand, eight hundred eleven".