57985390811 has 2 divisors, whose sum is σ = 57985390812. Its totient is φ = 57985390810.

The previous prime is 57985390759. The next prime is 57985390819. The reversal of 57985390811 is 11809358975.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 57985390811 - 2¹⁸ = 57985128667 is a prime.

It is not a weakly prime, because it can be changed into another prime (57985390819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28992695405 + 28992695406.

It is an arithmetic number, because the mean of its divisors is an integer number (28992695406).

Almost surely, 2^57985390811 is an apocalyptic number.

57985390811 is a deficient number, since it is larger than the sum of its proper divisors (1).

57985390811 is an equidigital number, since it uses as much as digits as its factorization.

57985390811 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2721600, while the sum is 56.

The spelling of 57985390811 in words is "fifty-seven billion, nine hundred eighty-five million, three hundred ninety thousand, eight hundred eleven".