513413155205 has 4 divisors (see below), whose sum is σ = 616095786252. Its totient is φ = 410730524160.

The previous prime is 513413155169. The next prime is 513413155243. The reversal of 513413155205 is 502551314315.

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 291031117729 + 222382037476 = 539473^2 + 471574^2 .

It is not a de Polignac number, because 513413155205 - 2⁶ = 513413155141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51341315516 + ... + 51341315525.

It is an arithmetic number, because the mean of its divisors is an integer number (154023946563).

Almost surely, 2^513413155205 is an apocalyptic number.

It is an amenable number.

513413155205 is a deficient number, since it is larger than the sum of its proper divisors (102682631047).

513413155205 is a wasteful number, since it uses less digits than its factorization.

513413155205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102682631046.

The product of its (nonzero) digits is 45000, while the sum is 35.

The spelling of 513413155205 in words is "five hundred thirteen billion, four hundred thirteen million, one hundred fifty-five thousand, two hundred five".