13003450521542 has 16 divisors (see below), whose sum is σ = 21043285924752. Its totient is φ = 5990817689760.

The previous prime is 13003450521521. The next prime is 13003450521557. The reversal of 13003450521542 is 24512505430031.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448937684 + ... + 448966647.

It is an arithmetic number, because the mean of its divisors is an integer number (1315205370297).

Almost surely, 2^{13003450521542} is an apocalyptic number.

13003450521542 is a deficient number, since it is larger than the sum of its proper divisors (8039835403210).

13003450521542 is a wasteful number, since it uses less digits than its factorization.

13003450521542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897904903.

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 13003450521542 its reverse (24512505430031), we get a palindrome (37515955951573).

The spelling of 13003450521542 in words is "thirteen trillion, three billion, four hundred fifty million, five hundred twenty-one thousand, five hundred forty-two".