13511020055241 has 4 divisors (see below), whose sum is σ = 18014693406992. Its totient is φ = 9007346703492.

The previous prime is 13511020055213. The next prime is 13511020055453. The reversal of 13511020055241 is 14255002011531.

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 not a de Polignac number, because 13511020055241 - 2⁶ = 13511020055177 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13511020055199 and 13511020055208.

It is not an unprimeable number, because it can be changed into a prime (13511020051241) 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, 2251836675871 + ... + 2251836675876.

It is an arithmetic number, because the mean of its divisors is an integer number (4503673351748).

Almost surely, 2^{13511020055241} is an apocalyptic number.

It is an amenable number.

13511020055241 is a deficient number, since it is larger than the sum of its proper divisors (4503673351751).

13511020055241 is an equidigital number, since it uses as much as digits as its factorization.

13511020055241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503673351750.

The product of its (nonzero) digits is 6000, while the sum is 30.

Adding to 13511020055241 its reverse (14255002011531), we get a palindrome (27766022066772).

The spelling of 13511020055241 in words is "thirteen trillion, five hundred eleven billion, twenty million, fifty-five thousand, two hundred forty-one".