65372421311 has 2 divisors, whose sum is σ = 65372421312. Its totient is φ = 65372421310.

The previous prime is 65372421287. The next prime is 65372421343. The reversal of 65372421311 is 11312427356.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65372421311 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65372421011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32686210655 + 32686210656.

It is an arithmetic number, because the mean of its divisors is an integer number (32686210656).

Almost surely, 2^65372421311 is an apocalyptic number.

65372421311 is a deficient number, since it is larger than the sum of its proper divisors (1).

65372421311 is an equidigital number, since it uses as much as digits as its factorization.

65372421311 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 35.

Adding to 65372421311 its reverse (11312427356), we get a palindrome (76684848667).

The spelling of 65372421311 in words is "sixty-five billion, three hundred seventy-two million, four hundred twenty-one thousand, three hundred eleven".