57144441311 has 2 divisors, whose sum is σ = 57144441312. Its totient is φ = 57144441310.

The previous prime is 57144441307. The next prime is 57144441323. The reversal of 57144441311 is 11314444175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57144441311 - 2² = 57144441307 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57144441611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28572220655 + 28572220656.

It is an arithmetic number, because the mean of its divisors is an integer number (28572220656).

Almost surely, 2^57144441311 is an apocalyptic number.

57144441311 is a deficient number, since it is larger than the sum of its proper divisors (1).

57144441311 is an equidigital number, since it uses as much as digits as its factorization.

57144441311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 26880, while the sum is 35.

Adding to 57144441311 its reverse (11314444175), we get a palindrome (68458885486).

The spelling of 57144441311 in words is "fifty-seven billion, one hundred forty-four million, four hundred forty-one thousand, three hundred eleven".