1056105556 has 48 divisors (see below), whose sum is σ = 2044224000. Its totient is φ = 473418720.

The previous prime is 1056105539. The next prime is 1056105577. The reversal of 1056105556 is 6555016501.

It is a super-2 number, since 2×1056105556² = 2230717890828138272, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2116195 + ... + 2116693.

It is an arithmetic number, because the mean of its divisors is an integer number (42588000).

Almost surely, 2^1056105556 is an apocalyptic number.

It is an amenable number.

1056105556 is a deficient number, since it is larger than the sum of its proper divisors (988118444).

1056105556 is a wasteful number, since it uses less digits than its factorization.

1056105556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 1056105556 is about 32497.7777086372. Note that the first 4 decimals coincide. The cubic root of 1056105556 is about 1018.3626029471.

The spelling of 1056105556 in words is "one billion, fifty-six million, one hundred five thousand, five hundred fifty-six".