13240243412045 has 32 divisors (see below), whose sum is σ = 17697534511104. Its totient is φ = 9443198304000.

The previous prime is 13240243412023. The next prime is 13240243412047. The reversal of 13240243412045 is 54021434204231.

It is not a de Polignac number, because 13240243412045 - 2⁸ = 13240243411789 is a prime.

It is a super-3 number, since 3×13240243412045³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13240243411996 and 13240243412014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13240243412047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5518106 + ... + 7545195.

It is an arithmetic number, because the mean of its divisors is an integer number (553047953472).

Almost surely, 2^{13240243412045} is an apocalyptic number.

It is an amenable number.

13240243412045 is a deficient number, since it is larger than the sum of its proper divisors (4457291099059).

13240243412045 is a wasteful number, since it uses less digits than its factorization.

13240243412045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13063853.

The product of its (nonzero) digits is 92160, while the sum is 35.

Adding to 13240243412045 its reverse (54021434204231), we get a palindrome (67261677616276).

The spelling of 13240243412045 in words is "thirteen trillion, two hundred forty billion, two hundred forty-three million, four hundred twelve thousand, forty-five".