57121452211 has 2 divisors, whose sum is σ = 57121452212. Its totient is φ = 57121452210.

The previous prime is 57121452187. The next prime is 57121452251. The reversal of 57121452211 is 11225412175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57121452211 - 2⁷ = 57121452083 is a prime.

It is not a weakly prime, because it can be changed into another prime (57121452251) 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, 28560726105 + 28560726106.

It is an arithmetic number, because the mean of its divisors is an integer number (28560726106).

Almost surely, 2^57121452211 is an apocalyptic number.

57121452211 is a deficient number, since it is larger than the sum of its proper divisors (1).

57121452211 is an equidigital number, since it uses as much as digits as its factorization.

57121452211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5600, while the sum is 31.

Adding to 57121452211 its reverse (11225412175), we get a palindrome (68346864386).

The spelling of 57121452211 in words is "fifty-seven billion, one hundred twenty-one million, four hundred fifty-two thousand, two hundred eleven".