57428382811 has 2 divisors, whose sum is σ = 57428382812. Its totient is φ = 57428382810.

The previous prime is 57428382779. The next prime is 57428382877. The reversal of 57428382811 is 11828382475.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57428382811 - 2⁵ = 57428382779 is a prime.

It is not a weakly prime, because it can be changed into another prime (57428382311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28714191405 + 28714191406.

It is an arithmetic number, because the mean of its divisors is an integer number (28714191406).

Almost surely, 2^57428382811 is an apocalyptic number.

57428382811 is a deficient number, since it is larger than the sum of its proper divisors (1).

57428382811 is an equidigital number, since it uses as much as digits as its factorization.

57428382811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 860160, while the sum is 49.

The spelling of 57428382811 in words is "fifty-seven billion, four hundred twenty-eight million, three hundred eighty-two thousand, eight hundred eleven".