13531200500 has 48 divisors (see below), whose sum is σ = 29733622464. Its totient is φ = 5379242400.

The previous prime is 13531200497. The next prime is 13531200511. The reversal of 13531200500 is 500213531.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1514 + ... + 164513.

It is an arithmetic number, because the mean of its divisors is an integer number (619450468).

Almost surely, 2^13531200500 is an apocalyptic number.

13531200500 is a gapful number since it is divisible by the number (10) 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 13531200500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14866811232).

13531200500 is an abundant number, since it is smaller than the sum of its proper divisors (16202421964).

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

13531200500 is a wasteful number, since it uses less digits than its factorization.

13531200500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166209 (or 166197 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 20.

The spelling of 13531200500 in words is "thirteen billion, five hundred thirty-one million, two hundred thousand, five hundred".