13521114111 has 8 divisors (see below), whose sum is σ = 18467863344. Its totient is φ = 8794220480.

The previous prime is 13521114073. The next prime is 13521114137. The reversal of 13521114111 is 11141112531.

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 13521114111 - 2¹⁰ = 13521113087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13521114151) 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, 54963756 + ... + 54964001.

It is an arithmetic number, because the mean of its divisors is an integer number (2308482918).

Almost surely, 2^13521114111 is an apocalyptic number.

13521114111 is a deficient number, since it is larger than the sum of its proper divisors (4946749233).

13521114111 is a wasteful number, since it uses less digits than its factorization.

13521114111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109927801.

The product of its digits is 120, while the sum is 21.

Adding to 13521114111 its reverse (11141112531), we get a palindrome (24662226642).

The spelling of 13521114111 in words is "thirteen billion, five hundred twenty-one million, one hundred fourteen thousand, one hundred eleven".