13180320547 has 2 divisors, whose sum is σ = 13180320548. Its totient is φ = 13180320546.

The previous prime is 13180320511. The next prime is 13180320551. The reversal of 13180320547 is 74502308131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13180320547 - 2¹¹ = 13180318499 is a prime.

It is not a weakly prime, because it can be changed into another prime (13180320557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6590160273 + 6590160274.

It is an arithmetic number, because the mean of its divisors is an integer number (6590160274).

Almost surely, 2^13180320547 is an apocalyptic number.

13180320547 is a deficient number, since it is larger than the sum of its proper divisors (1).

13180320547 is an equidigital number, since it uses as much as digits as its factorization.

13180320547 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 34.

Adding to 13180320547 its reverse (74502308131), we get a palindrome (87682628678).

The spelling of 13180320547 in words is "thirteen billion, one hundred eighty million, three hundred twenty thousand, five hundred forty-seven".