13424511034521 has 6 divisors (see below), whose sum is σ = 19390960383210. Its totient is φ = 8949674023008.

The previous prime is 13424511034513. The next prime is 13424511034549. The reversal of 13424511034521 is 12543011542431.

13424511034521 is a `hidden beast` number, since 1 + 3 + 4 + 24 + 5 + 1 + 103 + 4 + 521 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13040303210496 + 384207824025 = 3611136^2 + 619845^2 .

It is not a de Polignac number, because 13424511034521 - 2³ = 13424511034513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13424511034021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 745806168576 + ... + 745806168593.

It is an arithmetic number, because the mean of its divisors is an integer number (3231826730535).

Almost surely, 2^{13424511034521} is an apocalyptic number.

It is an amenable number.

13424511034521 is a deficient number, since it is larger than the sum of its proper divisors (5966449348689).

13424511034521 is a wasteful number, since it uses less digits than its factorization.

13424511034521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491612337175 (or 1491612337172 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

Adding to 13424511034521 its reverse (12543011542431), we get a palindrome (25967522576952).

The spelling of 13424511034521 in words is "thirteen trillion, four hundred twenty-four billion, five hundred eleven million, thirty-four thousand, five hundred twenty-one".