13548780500 has 48 divisors (see below), whose sum is σ = 29700023808. Its totient is φ = 5399460000.

The previous prime is 13548780481. The next prime is 13548780503. The reversal of 13548780500 is 508784531.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13548780503) 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, 85505 + ... + 185495.

It is an arithmetic number, because the mean of its divisors is an integer number (618750496).

Almost surely, 2^13548780500 is an apocalyptic number.

13548780500 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 13548780500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14850011904).

13548780500 is an abundant number, since it is smaller than the sum of its proper divisors (16151243308).

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

13548780500 is a wasteful number, since it uses less digits than its factorization.

13548780500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100281 (or 100269 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 41.

The spelling of 13548780500 in words is "thirteen billion, five hundred forty-eight million, seven hundred eighty thousand, five hundred".