13003450521540 has 48 divisors (see below), whose sum is σ = 37992690223488. Its totient is φ = 3316822161664.

The previous prime is 13003450521521. The next prime is 13003450521557. The reversal of 13003450521540 is 4512505430031.

13003450521540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13003450521540² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4711393737 + ... + 4711396496.

It is an arithmetic number, because the mean of its divisors is an integer number (791514379656).

Almost surely, 2^{13003450521540} is an apocalyptic number.

13003450521540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13003450521540 is an abundant number, since it is smaller than the sum of its proper divisors (24989239701948).

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

13003450521540 is a wasteful number, since it uses less digits than its factorization.

13003450521540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422790268 (or 9422790266 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 13003450521540 its reverse (4512505430031), we get a palindrome (17515955951571).

The spelling of 13003450521540 in words is "thirteen trillion, three billion, four hundred fifty million, five hundred twenty-one thousand, five hundred forty".