65020344672135 has 16 divisors (see below), whose sum is σ = 104525596748160. Its totient is φ = 34513168734240.

The previous prime is 65020344672119. The next prime is 65020344672161. The reversal of 65020344672135 is 53127644302056.

It is a happy number.

It is not a de Polignac number, because 65020344672135 - 2⁴ = 65020344672119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10271773245 + ... + 10271779574.

It is an arithmetic number, because the mean of its divisors is an integer number (6532849796760).

Almost surely, 2^{65020344672135} is an apocalyptic number.

65020344672135 is a deficient number, since it is larger than the sum of its proper divisors (39505252076025).

65020344672135 is a wasteful number, since it uses less digits than its factorization.

65020344672135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20543553038.

The product of its (nonzero) digits is 3628800, while the sum is 48.

The spelling of 65020344672135 in words is "sixty-five trillion, twenty billion, three hundred forty-four million, six hundred seventy-two thousand, one hundred thirty-five".