1057056111 has 6 divisors (see below), whose sum is σ = 1526858840. Its totient is φ = 704704068.

The previous prime is 1057056043. The next prime is 1057056139. The reversal of 1057056111 is 1116507501.

It is a happy number.

It is not a de Polignac number, because 1057056111 - 2⁷ = 1057055983 is a prime.

It is a super-2 number, since 2×1057056111² = 2234735243604888642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057056911) 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 in 5 ways as a sum of consecutive naturals, for example, 58725331 + ... + 58725348.

Almost surely, 2^1057056111 is an apocalyptic number.

1057056111 is a deficient number, since it is larger than the sum of its proper divisors (469802729).

1057056111 is a wasteful number, since it uses less digits than its factorization.

1057056111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117450685 (or 117450682 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 27.

The square root of 1057056111 is about 32512.3993424047. The cubic root of 1057056111 is about 1018.6680393947.

The spelling of 1057056111 in words is "one billion, fifty-seven million, fifty-six thousand, one hundred eleven".