13461331520 has 112 divisors (see below), whose sum is σ = 39452141568. Its totient is φ = 4260280320.

The previous prime is 13461331501. The next prime is 13461331529. The reversal of 13461331520 is 2513316431.

It is a tau number, because it is divible by the number of its divisors (112).

It is not an unprimeable number, because it can be changed into a prime (13461331529) 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, 202016 + ... + 260255.

It is an arithmetic number, because the mean of its divisors is an integer number (352251264).

Almost surely, 2^13461331520 is an apocalyptic number.

13461331520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13461331520 is an abundant number, since it is smaller than the sum of its proper divisors (25990810048).

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

13461331520 is a wasteful number, since it uses less digits than its factorization.

13461331520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462308 (or 462298 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 13461331520 its reverse (2513316431), we get a palindrome (15974647951).

The spelling of 13461331520 in words is "thirteen billion, four hundred sixty-one million, three hundred thirty-one thousand, five hundred twenty".