13126330541 has 2 divisors, whose sum is σ = 13126330542. Its totient is φ = 13126330540.

The previous prime is 13126330507. The next prime is 13126330571. The reversal of 13126330541 is 14503362131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13079353225 + 46977316 = 114365^2 + 6854^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13126330541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13126330571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6563165270 + 6563165271.

It is an arithmetic number, because the mean of its divisors is an integer number (6563165271).

Almost surely, 2^13126330541 is an apocalyptic number.

It is an amenable number.

13126330541 is a deficient number, since it is larger than the sum of its proper divisors (1).

13126330541 is an equidigital number, since it uses as much as digits as its factorization.

13126330541 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 29.

Adding to 13126330541 its reverse (14503362131), we get a palindrome (27629692672).

The spelling of 13126330541 in words is "thirteen billion, one hundred twenty-six million, three hundred thirty thousand, five hundred forty-one".