13511132441 has 8 divisors (see below), whose sum is σ = 13829356800. Its totient is φ = 13194189568.

The previous prime is 13511132423. The next prime is 13511132471. The reversal of 13511132441 is 14423111531.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13511132441 - 2³⁰ = 12437390617 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13511132441.

It is not an unprimeable number, because it can be changed into a prime (13511132471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299021 + ... + 341226.

It is an arithmetic number, because the mean of its divisors is an integer number (1728669600).

Almost surely, 2^13511132441 is an apocalyptic number.

It is an amenable number.

13511132441 is a deficient number, since it is larger than the sum of its proper divisors (318224359).

13511132441 is an equidigital number, since it uses as much as digits as its factorization.

13511132441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640743.

The product of its digits is 1440, while the sum is 26.

Adding to 13511132441 its reverse (14423111531), we get a palindrome (27934243972).

The spelling of 13511132441 in words is "thirteen billion, five hundred eleven million, one hundred thirty-two thousand, four hundred forty-one".