2056106571057 has 240 divisors, whose sum is σ = 3850512202368. Its totient is φ = 1048303710720.

The previous prime is 2056106571053. The next prime is 2056106571067. The reversal of 2056106571057 is 7501756016502.

2056106571057 is a `hidden beast` number, since 20 + 5 + 6 + 1 + 0 + 6 + 571 + 0 + 57 = 666.

It is not a de Polignac number, because 2056106571057 - 2² = 2056106571053 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2056106571053) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3354170283 + ... + 3354170895.

Almost surely, 2^{2056106571057} is an apocalyptic number.

It is an amenable number.

2056106571057 is a deficient number, since it is larger than the sum of its proper divisors (1794405631311).

2056106571057 is a wasteful number, since it uses less digits than its factorization.

2056106571057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898 (or 874 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 2056106571057 in words is "two trillion, fifty-six billion, one hundred six million, five hundred seventy-one thousand, fifty-seven".