13413320524520 has 64 divisors (see below), whose sum is σ = 34492246778880. Its totient is φ = 4598739265536.

The previous prime is 13413320524459. The next prime is 13413320524529. The reversal of 13413320524520 is 2542502331431.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (13413320524529) 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, 11194697 + ... + 12334823.

It is an arithmetic number, because the mean of its divisors is an integer number (538941355920).

Almost surely, 2^{13413320524520} is an apocalyptic number.

13413320524520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13413320524520 is an abundant number, since it is smaller than the sum of its proper divisors (21078926254360).

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

13413320524520 is a wasteful number, since it uses less digits than its factorization.

13413320524520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182162 (or 1182158 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 13413320524520 its reverse (2542502331431), we get a palindrome (15955822855951).

The spelling of 13413320524520 in words is "thirteen trillion, four hundred thirteen billion, three hundred twenty million, five hundred twenty-four thousand, five hundred twenty".