65255144043461 has 32 divisors (see below), whose sum is σ = 69115690905600. Its totient is φ = 61520281099200.

The previous prime is 65255144043443. The next prime is 65255144043547. The reversal of 65255144043461 is 16434044155256.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 65255144043461 - 2³⁴ = 65237964174277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65255144043421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 135600770 + ... + 136081148.

It is an arithmetic number, because the mean of its divisors is an integer number (2159865340800).

Almost surely, 2^{65255144043461} is an apocalyptic number.

It is an amenable number.

65255144043461 is a deficient number, since it is larger than the sum of its proper divisors (3860546862139).

65255144043461 is a wasteful number, since it uses less digits than its factorization.

65255144043461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481089.

The product of its (nonzero) digits is 6912000, while the sum is 50.

The spelling of 65255144043461 in words is "sixty-five trillion, two hundred fifty-five billion, one hundred forty-four million, forty-three thousand, four hundred sixty-one".