517140720563141 has 4 divisors (see below), whose sum is σ = 526898092649292. Its totient is φ = 507383348476992.

The previous prime is 517140720563107. The next prime is 517140720563153. The reversal of 517140720563141 is 141365027041715.

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

It can be written as a sum of positive squares in 2 ways, for example, as 396099555062500 + 121041165500641 = 19902250^2 + 11001871^2 .

It is a cyclic number.

It is not a de Polignac number, because 517140720563141 - 2¹⁴ = 517140720546757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (517140720560141) 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, 4878686042996 + ... + 4878686043101.

It is an arithmetic number, because the mean of its divisors is an integer number (131724523162323).

Almost surely, 2^{517140720563141} is an apocalyptic number.

It is an amenable number.

517140720563141 is a deficient number, since it is larger than the sum of its proper divisors (9757372086151).

517140720563141 is an equidigital number, since it uses as much as digits as its factorization.

517140720563141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9757372086150.

The product of its (nonzero) digits is 705600, while the sum is 47.

The spelling of 517140720563141 in words is "five hundred seventeen trillion, one hundred forty billion, seven hundred twenty million, five hundred sixty-three thousand, one hundred forty-one".