13215141435424 has 48 divisors (see below), whose sum is σ = 26949277960920. Its totient is φ = 6371469905920.

The previous prime is 13215141435373. The next prime is 13215141435437. The reversal of 13215141435424 is 42453414151231.

It can be written as a sum of positive squares in 4 ways, for example, as 3614637488400 + 9600503947024 = 1901220^2 + 3098468^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8493817 + ... + 9928504.

Almost surely, 2^{13215141435424} is an apocalyptic number.

It is an amenable number.

13215141435424 is an abundant number, since it is smaller than the sum of its proper divisors (13734136525496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13215141435424 is a wasteful number, since it uses less digits than its factorization.

13215141435424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18423133 (or 18423125 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

Adding to 13215141435424 its reverse (42453414151231), we get a palindrome (55668555586655).

The spelling of 13215141435424 in words is "thirteen trillion, two hundred fifteen billion, one hundred forty-one million, four hundred thirty-five thousand, four hundred twenty-four".