13413044215541 has 4 divisors (see below), whose sum is σ = 13413279016800. Its totient is φ = 13412809414284.

The previous prime is 13413044215523. The next prime is 13413044215547. The reversal of 13413044215541 is 14551244031431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13413044215541 - 2⁶ = 13413044215477 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13413044215495 and 13413044215504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13413044215547) 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, 117314921 + ... + 117429198.

It is an arithmetic number, because the mean of its divisors is an integer number (3353319754200).

Almost surely, 2^{13413044215541} is an apocalyptic number.

It is an amenable number.

13413044215541 is a deficient number, since it is larger than the sum of its proper divisors (234801259).

13413044215541 is an equidigital number, since it uses as much as digits as its factorization.

13413044215541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 234801258.

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 13413044215541 its reverse (14551244031431), we get a palindrome (27964288246972).

The spelling of 13413044215541 in words is "thirteen trillion, four hundred thirteen billion, forty-four million, two hundred fifteen thousand, five hundred forty-one".