65072161711 has 2 divisors, whose sum is σ = 65072161712. Its totient is φ = 65072161710.

The previous prime is 65072161669. The next prime is 65072161747. The reversal of 65072161711 is 11716127056.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65072161711 - 2¹³ = 65072153519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65072141711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32536080855 + 32536080856.

It is an arithmetic number, because the mean of its divisors is an integer number (32536080856).

Almost surely, 2^65072161711 is an apocalyptic number.

65072161711 is a deficient number, since it is larger than the sum of its proper divisors (1).

65072161711 is an equidigital number, since it uses as much as digits as its factorization.

65072161711 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 37.

Adding to 65072161711 its reverse (11716127056), we get a palindrome (76788288767).

The spelling of 65072161711 in words is "sixty-five billion, seventy-two million, one hundred sixty-one thousand, seven hundred eleven".