512130316602605 has 8 divisors (see below), whose sum is σ = 635747979231000. Its totient is φ = 395576520410176.

The previous prime is 512130316602451. The next prime is 512130316602607. The reversal of 512130316602605 is 506206613031215.

It can be written as a sum of positive squares in 4 ways, for example, as 13161317389609 + 498968999212996 = 3627853^2 + 22337614^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 512130316602605 - 2⁸ = 512130316602349 is a prime.

It is a super-2 number, since 2×512130316602605² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (512130316602607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1765966608830 + ... + 1765966609119.

It is an arithmetic number, because the mean of its divisors is an integer number (79468497403875).

Almost surely, 2^{512130316602605} is an apocalyptic number.

It is an amenable number.

512130316602605 is a deficient number, since it is larger than the sum of its proper divisors (123617662628395).

512130316602605 is a wasteful number, since it uses less digits than its factorization.

512130316602605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3531933217983.

The product of its (nonzero) digits is 194400, while the sum is 41.

The spelling of 512130316602605 in words is "five hundred twelve trillion, one hundred thirty billion, three hundred sixteen million, six hundred two thousand, six hundred five".