65242355271091 has 2 divisors, whose sum is σ = 65242355271092. Its totient is φ = 65242355271090.

The previous prime is 65242355271031. The next prime is 65242355271113. The reversal of 65242355271091 is 19017255324256.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65242355271091 - 2¹⁵ = 65242355238323 is a prime.

It is not a weakly prime, because it can be changed into another prime (65242355271001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32621177635545 + 32621177635546.

It is an arithmetic number, because the mean of its divisors is an integer number (32621177635546).

Almost surely, 2^{65242355271091} is an apocalyptic number.

65242355271091 is a deficient number, since it is larger than the sum of its proper divisors (1).

65242355271091 is an equidigital number, since it uses as much as digits as its factorization.

65242355271091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536000, while the sum is 52.

The spelling of 65242355271091 in words is "sixty-five trillion, two hundred forty-two billion, three hundred fifty-five million, two hundred seventy-one thousand, ninety-one".