1056005000056 has 32 divisors (see below), whose sum is σ = 2085406093440. Its totient is φ = 500325805408.

The previous prime is 1056004999979. The next prime is 1056005000143. The reversal of 1056005000056 is 6500005006501.

It is a super-2 number, since 2×1056005000056² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056004999988 and 1056005000033.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26798806 + ... + 26838181.

It is an arithmetic number, because the mean of its divisors is an integer number (65168940420).

Almost surely, 2^{1056005000056} is an apocalyptic number.

It is an amenable number.

1056005000056 is a deficient number, since it is larger than the sum of its proper divisors (1029401093384).

1056005000056 is a wasteful number, since it uses less digits than its factorization.

1056005000056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53637123 (or 53637119 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 28.

The spelling of 1056005000056 in words is "one trillion, fifty-six billion, five million, fifty-six", and thus it is an aban number and an uban number.