57220340311 has 2 divisors, whose sum is σ = 57220340312. Its totient is φ = 57220340310.

The previous prime is 57220340279. The next prime is 57220340363. The reversal of 57220340311 is 11304302275.

57220340311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57220340311 - 2⁵ = 57220340279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57220340311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57220340371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28610170155 + 28610170156.

It is an arithmetic number, because the mean of its divisors is an integer number (28610170156).

Almost surely, 2^57220340311 is an apocalyptic number.

57220340311 is a deficient number, since it is larger than the sum of its proper divisors (1).

57220340311 is an equidigital number, since it uses as much as digits as its factorization.

57220340311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 57220340311 its reverse (11304302275), we get a palindrome (68524642586).

The spelling of 57220340311 in words is "fifty-seven billion, two hundred twenty million, three hundred forty thousand, three hundred eleven".