65505715070565 has 64 divisors (see below), whose sum is σ = 131217882439680. Its totient is φ = 27109249789440.

The previous prime is 65505715070563. The next prime is 65505715070567. The reversal of 65505715070565 is 56507051750556.

It is an interprime number because it is at equal distance from previous prime (65505715070563) and next prime (65505715070567).

It is not a de Polignac number, because 65505715070565 - 2¹ = 65505715070563 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65505715070563) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 118374384 + ... + 118926473.

It is an arithmetic number, because the mean of its divisors is an integer number (2050279413120).

Almost surely, 2^{65505715070565} is an apocalyptic number.

It is an amenable number.

65505715070565 is an abundant number, since it is smaller than the sum of its proper divisors (65712167369115).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65505715070565 is a wasteful number, since it uses less digits than its factorization.

65505715070565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237301122.

The product of its (nonzero) digits is 27562500, while the sum is 57.

The spelling of 65505715070565 in words is "sixty-five trillion, five hundred five billion, seven hundred fifteen million, seventy thousand, five hundred sixty-five".