1057111859 has 2 divisors, whose sum is σ = 1057111860. Its totient is φ = 1057111858.

The previous prime is 1057111849. The next prime is 1057111943. The reversal of 1057111859 is 9581117501.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1057111859 - 2¹² = 1057107763 is a prime.

It is a super-2 number, since 2×1057111859² = 2234970964876871762, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (1057111849) 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, 528555929 + 528555930.

It is an arithmetic number, because the mean of its divisors is an integer number (528555930).

Almost surely, 2^1057111859 is an apocalyptic number.

1057111859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1057111859 is an equidigital number, since it uses as much as digits as its factorization.

1057111859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 38.

The square root of 1057111859 is about 32513.2566655511. The cubic root of 1057111859 is about 1018.6859468981.

The spelling of 1057111859 in words is "one billion, fifty-seven million, one hundred eleven thousand, eight hundred fifty-nine".