513512245534205 has 16 divisors (see below), whose sum is σ = 618864573351024. Its totient is φ = 409043240140800.

The previous prime is 513512245534199. The next prime is 513512245534241. The reversal of 513512245534205 is 502435542215315.

It can be written as a sum of positive squares in 8 ways, for example, as 64606453898596 + 448905791635609 = 8037814^2 + 21187397^2 .

It is a de Polignac number, because none of the positive numbers 2^k-513512245534205 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 513512245534205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142212077 + ... + 145778253.

It is an arithmetic number, because the mean of its divisors is an integer number (38679035834439).

Almost surely, 2^{513512245534205} is an apocalyptic number.

It is an amenable number.

513512245534205 is a deficient number, since it is larger than the sum of its proper divisors (105352327816819).

513512245534205 is a wasteful number, since it uses less digits than its factorization.

513512245534205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3690016.

The product of its (nonzero) digits is 3600000, while the sum is 47.

The spelling of 513512245534205 in words is "five hundred thirteen trillion, five hundred twelve billion, two hundred forty-five million, five hundred thirty-four thousand, two hundred five".