13311201144457 has 2 divisors, whose sum is σ = 13311201144458. Its totient is φ = 13311201144456.

The previous prime is 13311201144361. The next prime is 13311201144497. The reversal of 13311201144457 is 75444110211331.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13264047456256 + 47153688201 = 3641984^2 + 217149^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13311201144457 is a prime.

It is not a weakly prime, because it can be changed into another prime (13311201144497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6655600572228 + 6655600572229.

It is an arithmetic number, because the mean of its divisors is an integer number (6655600572229).

Almost surely, 2^{13311201144457} is an apocalyptic number.

It is an amenable number.

13311201144457 is a deficient number, since it is larger than the sum of its proper divisors (1).

13311201144457 is an equidigital number, since it uses as much as digits as its factorization.

13311201144457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

Adding to 13311201144457 its reverse (75444110211331), we get a palindrome (88755311355788).

The spelling of 13311201144457 in words is "thirteen trillion, three hundred eleven billion, two hundred one million, one hundred forty-four thousand, four hundred fifty-seven".