5312065234565 has 16 divisors (see below), whose sum is σ = 6407104944240. Its totient is φ = 4227902891520.

The previous prime is 5312065234561. The next prime is 5312065234579. The reversal of 5312065234565 is 5654325602135.

It can be written as a sum of positive squares in 8 ways, for example, as 17289357121 + 5294775877444 = 131489^2 + 2301038^2 .

It is not a de Polignac number, because 5312065234565 - 2² = 5312065234561 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312065234561) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26555441 + ... + 26754729.

It is an arithmetic number, because the mean of its divisors is an integer number (400444059015).

Almost surely, 2^{5312065234565} is an apocalyptic number.

It is an amenable number.

5312065234565 is a deficient number, since it is larger than the sum of its proper divisors (1095039709675).

5312065234565 is a wasteful number, since it uses less digits than its factorization.

5312065234565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226552.

The product of its (nonzero) digits is 3240000, while the sum is 47.

The spelling of 5312065234565 in words is "five trillion, three hundred twelve billion, sixty-five million, two hundred thirty-four thousand, five hundred sixty-five".