13244204515445 has 16 divisors (see below), whose sum is σ = 16325017309440. Its totient is φ = 10309988518464.

The previous prime is 13244204515429. The next prime is 13244204515463. The reversal of 13244204515445 is 54451540244231.

It is a cyclic number.

It is not a de Polignac number, because 13244204515445 - 2⁴ = 13244204515429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13244204515396 and 13244204515405.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162844655 + ... + 162925964.

It is an arithmetic number, because the mean of its divisors is an integer number (1020313581840).

Almost surely, 2^{13244204515445} is an apocalyptic number.

It is an amenable number.

13244204515445 is a deficient number, since it is larger than the sum of its proper divisors (3080812793995).

13244204515445 is a wasteful number, since it uses less digits than its factorization.

13244204515445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325770844.

The product of its (nonzero) digits is 1536000, while the sum is 44.

Adding to 13244204515445 its reverse (54451540244231), we get a palindrome (67695744759676).

The spelling of 13244204515445 in words is "thirteen trillion, two hundred forty-four billion, two hundred four million, five hundred fifteen thousand, four hundred forty-five".