13117132548 has 120 divisors (see below), whose sum is σ = 38120149760. Its totient is φ = 3905807040.

The previous prime is 13117132537. The next prime is 13117132549. The reversal of 13117132548 is 84523171131.

13117132548 is a `hidden beast` number, since 1 + 3 + 11 + 71 + 32 + 548 = 666.

13117132548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (13117132549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 80343 + ... + 180801.

Almost surely, 2^13117132548 is an apocalyptic number.

13117132548 is a gapful number since it is divisible by the number (18) 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 13117132548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19060074880).

13117132548 is an abundant number, since it is smaller than the sum of its proper divisors (25003017212).

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

13117132548 is a wasteful number, since it uses less digits than its factorization.

13117132548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100519 (or 100508 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The spelling of 13117132548 in words is "thirteen billion, one hundred seventeen million, one hundred thirty-two thousand, five hundred forty-eight".