1005056056 has 8 divisors (see below), whose sum is σ = 1884480120. Its totient is φ = 502528024.

The previous prime is 1005056051. The next prime is 1005056111. The reversal of 1005056056 is 6506505001.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005056051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62815996 + ... + 62816011.

It is an arithmetic number, because the mean of its divisors is an integer number (235560015).

Almost surely, 2^1005056056 is an apocalyptic number.

It is an amenable number.

1005056056 is a deficient number, since it is larger than the sum of its proper divisors (879424064).

1005056056 is a wasteful number, since it uses less digits than its factorization.

1005056056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125632013 (or 125632009 counting only the distinct ones).

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

The square root of 1005056056 is about 31702.6190716161. The cubic root of 1005056056 is about 1001.6825195403.

The spelling of 1005056056 in words is "one billion, five million, fifty-six thousand, fifty-six".