13532115044 has 48 divisors (see below), whose sum is σ = 28291334400. Its totient is φ = 5537427456.

The previous prime is 13532115041. The next prime is 13532115061. The reversal of 13532115044 is 44051123531.

It is a super-2 number, since 2×13532115044² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13532114998 and 13532115016.

It is not an unprimeable number, because it can be changed into a prime (13532115041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 347972 + ... + 384900.

It is an arithmetic number, because the mean of its divisors is an integer number (589402800).

Almost surely, 2^13532115044 is an apocalyptic number.

13532115044 is a gapful number since it is divisible by the number (14) 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 13532115044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14145667200).

13532115044 is an abundant number, since it is smaller than the sum of its proper divisors (14759219356).

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

13532115044 is a wasteful number, since it uses less digits than its factorization.

13532115044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37532 (or 37530 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 13532115044 its reverse (44051123531), we get a palindrome (57583238575).

The spelling of 13532115044 in words is "thirteen billion, five hundred thirty-two million, one hundred fifteen thousand, forty-four".