13532155632 has 120 divisors (see below), whose sum is σ = 38969474544. Its totient is φ = 4380383232.

The previous prime is 13532155627. The next prime is 13532155633. The reversal of 13532155632 is 23655123531.

13532155632 is a `hidden beast` number, since 1 + 3 + 5 + 3 + 2 + 15 + 5 + 632 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13532155633) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3157363 + ... + 3161645.

Almost surely, 2^13532155632 is an apocalyptic number.

13532155632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13532155632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19484737272).

13532155632 is an abundant number, since it is smaller than the sum of its proper divisors (25437318912).

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

13532155632 is a wasteful number, since it uses less digits than its factorization.

13532155632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4927 (or 4918 counting only the distinct ones).

The product of its digits is 81000, while the sum is 36.

The spelling of 13532155632 in words is "thirteen billion, five hundred thirty-two million, one hundred fifty-five thousand, six hundred thirty-two".