65255395071 has 4 divisors (see below), whose sum is σ = 87007193432. Its totient is φ = 43503596712.

The previous prime is 65255395069. The next prime is 65255395081. The reversal of 65255395071 is 17059355256.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 65255395071 - 2¹ = 65255395069 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 65255395071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65255395021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10875899176 + ... + 10875899181.

It is an arithmetic number, because the mean of its divisors is an integer number (21751798358).

Almost surely, 2^65255395071 is an apocalyptic number.

65255395071 is a deficient number, since it is larger than the sum of its proper divisors (21751798361).

65255395071 is a wasteful number, since it uses less digits than its factorization.

65255395071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21751798360.

The product of its (nonzero) digits is 1417500, while the sum is 48.

The spelling of 65255395071 in words is "sixty-five billion, two hundred fifty-five million, three hundred ninety-five thousand, seventy-one".