65253061812213 has 32 divisors (see below), whose sum is σ = 111009993523200. Its totient is φ = 37465872807600.

The previous prime is 65253061812131. The next prime is 65253061812217. The reversal of 65253061812213 is 31221816035256.

It is a happy number.

65253061812213 is a `hidden beast` number, since 6 + 5 + 2 + 5 + 3 + 0 + 618 + 1 + 2 + 21 + 3 = 666.

It is not a de Polignac number, because 65253061812213 - 2⁸ = 65253061811957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65253061812217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5781764853 + ... + 5781776138.

It is an arithmetic number, because the mean of its divisors is an integer number (3469062297600).

Almost surely, 2^{65253061812213} is an apocalyptic number.

It is an amenable number.

65253061812213 is a deficient number, since it is larger than the sum of its proper divisors (45756931710987).

65253061812213 is a wasteful number, since it uses less digits than its factorization.

65253061812213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11563541030 (or 11563541024 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

Adding to 65253061812213 its reverse (31221816035256), we get a palindrome (96474877847469).

The spelling of 65253061812213 in words is "sixty-five trillion, two hundred fifty-three billion, sixty-one million, eight hundred twelve thousand, two hundred thirteen".