13531144060 has 24 divisors (see below), whose sum is σ = 32474746080. Its totient is φ = 4639249344.

The previous prime is 13531144043. The next prime is 13531144061. The reversal of 13531144060 is 6044113531.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13531144061) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 48325375 + ... + 48325654.

It is an arithmetic number, because the mean of its divisors is an integer number (1353114420).

Almost surely, 2^13531144060 is an apocalyptic number.

13531144060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13531144060 is an abundant number, since it is smaller than the sum of its proper divisors (18943602020).

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

13531144060 is a wasteful number, since it uses less digits than its factorization.

13531144060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96651045 (or 96651043 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 13531144060 its reverse (6044113531), we get a palindrome (19575257591).

The spelling of 13531144060 in words is "thirteen billion, five hundred thirty-one million, one hundred forty-four thousand, sixty".