13510512004013 has 4 divisors (see below), whose sum is σ = 13510524587868. Its totient is φ = 13510499420160.

The previous prime is 13510512004009. The next prime is 13510512004133. The reversal of 13510512004013 is 31040021501531.

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 7664160370084 + 5846351633929 = 2768422^2 + 2417923^2 .

It is a cyclic number.

It is not a de Polignac number, because 13510512004013 - 2² = 13510512004009 is a prime.

It is a super-2 number, since 2×13510512004013² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13510512004313) 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, 4514006 + ... + 6884567.

It is an arithmetic number, because the mean of its divisors is an integer number (3377631146967).

Almost surely, 2^{13510512004013} is an apocalyptic number.

It is an amenable number.

13510512004013 is a deficient number, since it is larger than the sum of its proper divisors (12583855).

13510512004013 is a wasteful number, since it uses less digits than its factorization.

13510512004013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12583854.

The product of its (nonzero) digits is 1800, while the sum is 26.

Adding to 13510512004013 its reverse (31040021501531), we get a palindrome (44550533505544).

The spelling of 13510512004013 in words is "thirteen trillion, five hundred ten billion, five hundred twelve million, four thousand, thirteen".