13245405142352 has 10 divisors (see below), whose sum is σ = 25662972463338. Its totient is φ = 6622702571168.

The previous prime is 13245405142351. The next prime is 13245405142357. The reversal of 13245405142352 is 25324150454231.

It can be written as a sum of positive squares in only one way, i.e., 9856359786256 + 3389045356096 = 3139484^2 + 1840936^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13245405142351) by changing a digit.

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 as a sum of consecutive naturals, namely, 413918910683 + ... + 413918910714.

Almost surely, 2^{13245405142352} is an apocalyptic number.

It is an amenable number.

13245405142352 is a deficient number, since it is larger than the sum of its proper divisors (12417567320986).

13245405142352 is an equidigital number, since it uses as much as digits as its factorization.

13245405142352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 827837821405 (or 827837821399 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 41.

Adding to 13245405142352 its reverse (25324150454231), we get a palindrome (38569555596583).

The spelling of 13245405142352 in words is "thirteen trillion, two hundred forty-five billion, four hundred five million, one hundred forty-two thousand, three hundred fifty-two".