1311143200457 has 2 divisors, whose sum is σ = 1311143200458. Its totient is φ = 1311143200456.

The previous prime is 1311143200429. The next prime is 1311143200483. The reversal of 1311143200457 is 7540023411131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 887786066176 + 423357134281 = 942224^2 + 650659^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311143200457 - 2¹⁴ = 1311143184073 is a prime.

It is not a weakly prime, because it can be changed into another prime (1311143200957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655571600228 + 655571600229.

It is an arithmetic number, because the mean of its divisors is an integer number (655571600229).

Almost surely, 2^{1311143200457} is an apocalyptic number.

It is an amenable number.

1311143200457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1311143200457 is an equidigital number, since it uses as much as digits as its factorization.

1311143200457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

Adding to 1311143200457 its reverse (7540023411131), we get a palindrome (8851166611588).

The spelling of 1311143200457 in words is "one trillion, three hundred eleven billion, one hundred forty-three million, two hundred thousand, four hundred fifty-seven".