13020243541 has 2 divisors, whose sum is σ = 13020243542. Its totient is φ = 13020243540.

The previous prime is 13020243529. The next prime is 13020243553. The reversal of 13020243541 is 14534202031.

It is a balanced prime because it is at equal distance from previous prime (13020243529) and next prime (13020243553).

It can be written as a sum of positive squares in only one way, i.e., 10893096900 + 2127146641 = 104370^2 + 46121^2 .

It is a cyclic number.

It is not a de Polignac number, because 13020243541 - 2¹⁹ = 13019719253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13020243641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6510121770 + 6510121771.

It is an arithmetic number, because the mean of its divisors is an integer number (6510121771).

Almost surely, 2^13020243541 is an apocalyptic number.

It is an amenable number.

13020243541 is a deficient number, since it is larger than the sum of its proper divisors (1).

13020243541 is an equidigital number, since it uses as much as digits as its factorization.

13020243541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 13020243541 its reverse (14534202031), we get a palindrome (27554445572).

The spelling of 13020243541 in words is "thirteen billion, twenty million, two hundred forty-three thousand, five hundred forty-one".