13521031411 has 8 divisors (see below), whose sum is σ = 13600378064. Its totient is φ = 13441736160.

The previous prime is 13521031289. The next prime is 13521031439. The reversal of 13521031411 is 11413012531.

It is a happy number.

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 13521031411 - 2¹¹ = 13521029363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13521011411) 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, 599440 + ... + 621586.

It is an arithmetic number, because the mean of its divisors is an integer number (1700047258).

Almost surely, 2^13521031411 is an apocalyptic number.

13521031411 is a deficient number, since it is larger than the sum of its proper divisors (79346653).

13521031411 is a wasteful number, since it uses less digits than its factorization.

13521031411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25701.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 13521031411 its reverse (11413012531), we get a palindrome (24934043942).

The spelling of 13521031411 in words is "thirteen billion, five hundred twenty-one million, thirty-one thousand, four hundred eleven".