513610134622201 has 4 divisors (see below), whose sum is σ = 513732393644404. Its totient is φ = 513487875600000.

The previous prime is 513610134622187. The next prime is 513610134622253. The reversal of 513610134622201 is 102226431016315.

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 120909486933225 + 392700647688976 = 10995885^2 + 19816676^2 .

It is a cyclic number.

It is not a de Polignac number, because 513610134622201 - 2¹³ = 513610134614009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513610134622271) 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, 61129504800 + ... + 61129513201.

It is an arithmetic number, because the mean of its divisors is an integer number (128433098411101).

Almost surely, 2^{513610134622201} is an apocalyptic number.

It is an amenable number.

513610134622201 is a deficient number, since it is larger than the sum of its proper divisors (122259022203).

513610134622201 is a wasteful number, since it uses less digits than its factorization.

513610134622201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122259022202.

The product of its (nonzero) digits is 51840, while the sum is 37.

Adding to 513610134622201 its reverse (102226431016315), we get a palindrome (615836565638516).

The spelling of 513610134622201 in words is "five hundred thirteen trillion, six hundred ten billion, one hundred thirty-four million, six hundred twenty-two thousand, two hundred one".