1056566440052 has 24 divisors (see below), whose sum is σ = 1907914123080. Its totient is φ = 511636221440.

The previous prime is 1056566439913. The next prime is 1056566440079. The reversal of 1056566440052 is 2500446656501.

It can be written as a sum of positive squares in 4 ways, for example, as 364816 + 1056566075236 = 604^2 + 1027894^2 .

It is a super-2 number, since 2×1056566440052² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056566439985 and 1056566440012.

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, 23490227 + ... + 23535162.

It is an arithmetic number, because the mean of its divisors is an integer number (79496421795).

Almost surely, 2^{1056566440052} is an apocalyptic number.

It is an amenable number.

1056566440052 is a deficient number, since it is larger than the sum of its proper divisors (851347683028).

1056566440052 is a wasteful number, since it uses less digits than its factorization.

1056566440052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47025571 (or 47025569 counting only the distinct ones).

The product of its (nonzero) digits is 864000, while the sum is 44.

The spelling of 1056566440052 in words is "one trillion, fifty-six billion, five hundred sixty-six million, four hundred forty thousand, fifty-two".