13413256511 has 16 divisors (see below), whose sum is σ = 14463836160. Its totient is φ = 12400426080.

The previous prime is 13413256487. The next prime is 13413256517. The reversal of 13413256511 is 11565231431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13413256511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13413256517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101630 + ... + 192756.

It is an arithmetic number, because the mean of its divisors is an integer number (903989760).

Almost surely, 2^13413256511 is an apocalyptic number.

13413256511 is a deficient number, since it is larger than the sum of its proper divisors (1050579649).

13413256511 is a wasteful number, since it uses less digits than its factorization.

13413256511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91334.

The product of its digits is 10800, while the sum is 32.

Adding to 13413256511 its reverse (11565231431), we get a palindrome (24978487942).

The spelling of 13413256511 in words is "thirteen billion, four hundred thirteen million, two hundred fifty-six thousand, five hundred eleven".