1056045819886 has 16 divisors (see below), whose sum is σ = 1594887429600. Its totient is φ = 524426205600.

The previous prime is 1056045819883. The next prime is 1056045819919. The reversal of 1056045819886 is 6889185406501.

It is a super-2 number, since 2×1056045819886² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056045819883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2160165 + ... + 2603536.

It is an arithmetic number, because the mean of its divisors is an integer number (99680464350).

Almost surely, 2^{1056045819886} is an apocalyptic number.

1056045819886 is a deficient number, since it is larger than the sum of its proper divisors (538841609714).

1056045819886 is a wasteful number, since it uses less digits than its factorization.

1056045819886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4764459.

The product of its (nonzero) digits is 16588800, while the sum is 61.

The spelling of 1056045819886 in words is "one trillion, fifty-six billion, forty-five million, eight hundred nineteen thousand, eight hundred eighty-six".