13532100520 has 32 divisors (see below), whose sum is σ = 30864318120. Its totient is φ = 5338690560.

The previous prime is 13532100467. The next prime is 13532100541. The reversal of 13532100520 is 2500123531.

It can be written as a sum of positive squares in 4 ways, for example, as 11524881316 + 2007219204 = 107354^2 + 44802^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13532100491 and 13532100500.

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, 2314221 + ... + 2320060.

Almost surely, 2^13532100520 is an apocalyptic number.

13532100520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13532100520 is an abundant number, since it is smaller than the sum of its proper divisors (17332217600).

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

13532100520 is a wasteful number, since it uses less digits than its factorization.

13532100520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4634365 (or 4634361 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 22.

The spelling of 13532100520 in words is "thirteen billion, five hundred thirty-two million, one hundred thousand, five hundred twenty".