65008971061 has 2 divisors, whose sum is σ = 65008971062. Its totient is φ = 65008971060.

The previous prime is 65008971047. The next prime is 65008971107. The reversal of 65008971061 is 16017980056.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36149416900 + 28859554161 = 190130^2 + 169881^2 .

It is a cyclic number.

It is not a de Polignac number, because 65008971061 - 2¹⁷ = 65008839989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65008970999 and 65008971017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65038971061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32504485530 + 32504485531.

It is an arithmetic number, because the mean of its divisors is an integer number (32504485531).

Almost surely, 2^65008971061 is an apocalyptic number.

It is an amenable number.

65008971061 is a deficient number, since it is larger than the sum of its proper divisors (1).

65008971061 is an equidigital number, since it uses as much as digits as its factorization.

65008971061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 43.

The spelling of 65008971061 in words is "sixty-five billion, eight million, nine hundred seventy-one thousand, sixty-one".