13531012050 has 48 divisors (see below), whose sum is σ = 33576333120. Its totient is φ = 3606181440.

The previous prime is 13531012049. The next prime is 13531012109. The reversal of 13531012050 is 5021013531.

13531012050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 243139 + ... + 293561.

It is an arithmetic number, because the mean of its divisors is an integer number (699506940).

Almost surely, 2^13531012050 is an apocalyptic number.

13531012050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13531012050 is an abundant number, since it is smaller than the sum of its proper divisors (20045321070).

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

13531012050 is a wasteful number, since it uses less digits than its factorization.

13531012050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52227 (or 52222 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

Adding to 13531012050 its reverse (5021013531), we get a palindrome (18552025581).

The spelling of 13531012050 in words is "thirteen billion, five hundred thirty-one million, twelve thousand, fifty".