13521253611 has 8 divisors (see below), whose sum is σ = 18256545280. Its totient is φ = 8900065512.

The previous prime is 13521253597. The next prime is 13521253633. The reversal of 13521253611 is 11635212531.

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

It is not a de Polignac number, because 13521253611 - 2¹⁴ = 13521237227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13521253111) 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, 28525615 + ... + 28526088.

It is an arithmetic number, because the mean of its divisors is an integer number (2282068160).

Almost surely, 2^13521253611 is an apocalyptic number.

13521253611 is a deficient number, since it is larger than the sum of its proper divisors (4735291669).

13521253611 is an equidigital number, since it uses as much as digits as its factorization.

13521253611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57051785.

The product of its digits is 5400, while the sum is 30.

The spelling of 13521253611 in words is "thirteen billion, five hundred twenty-one million, two hundred fifty-three thousand, six hundred eleven".