13140243415541 has 12 divisors (see below), whose sum is σ = 14443986893196. Its totient is φ = 11945197091520.

The previous prime is 13140243415531. The next prime is 13140243415571. The reversal of 13140243415541 is 14551434204131.

It can be written as a sum of positive squares in 2 ways, for example, as 2896307037316 + 10243936378225 = 1701854^2 + 3200615^2 .

It is not a de Polignac number, because 13140243415541 - 2²² = 13140239221237 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13140243415495 and 13140243415504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13140243415501) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 873191 + ... + 5200283.

It is an arithmetic number, because the mean of its divisors is an integer number (1203665574433).

Almost surely, 2^{13140243415541} is an apocalyptic number.

13140243415541 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13140243415541 is a deficient number, since it is larger than the sum of its proper divisors (1303743477655).

13140243415541 is a wasteful number, since it uses less digits than its factorization.

13140243415541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4352212 (or 4352201 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 38.

Adding to 13140243415541 its reverse (14551434204131), we get a palindrome (27691677619672).

The spelling of 13140243415541 in words is "thirteen trillion, one hundred forty billion, two hundred forty-three million, four hundred fifteen thousand, five hundred forty-one".