13125552132 has 96 divisors (see below), whose sum is σ = 38706683904. Its totient is φ = 3362515200.

The previous prime is 13125552119. The next prime is 13125552137. The reversal of 13125552132 is 23125552131.

It is a self number, because there is not a number n which added to its sum of digits gives 13125552132.

It is not an unprimeable number, because it can be changed into a prime (13125552137) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29844 + ... + 164747.

It is an arithmetic number, because the mean of its divisors is an integer number (403194624).

Almost surely, 2^13125552132 is an apocalyptic number.

13125552132 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 13125552132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19353341952).

13125552132 is an abundant number, since it is smaller than the sum of its proper divisors (25581131772).

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

13125552132 is a wasteful number, since it uses less digits than its factorization.

13125552132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194689 (or 194687 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

Subtracting 13125552132 from its reverse (23125552131), we obtain a palindrome (9999999999).

The spelling of 13125552132 in words is "thirteen billion, one hundred twenty-five million, five hundred fifty-two thousand, one hundred thirty-two".