1116056556 has 30 divisors (see below), whose sum is σ = 2917593140. Its totient is φ = 372018744.

The previous prime is 1116056551. The next prime is 1116056573. The reversal of 1116056556 is 6556506111.

It is a super-2 number, since 2×1116056556² = 2491164472381162272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1116056556.

It is not an unprimeable number, because it can be changed into a prime (1116056551) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1721986 + ... + 1722633.

Almost surely, 2^1116056556 is an apocalyptic number.

It is an amenable number.

1116056556 is an abundant number, since it is smaller than the sum of its proper divisors (1801536584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1116056556 is a wasteful number, since it uses less digits than its factorization.

1116056556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3444635 (or 3444624 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 36.

The square root of 1116056556 is about 33407.4326460445. The cubic root of 1116056556 is about 1037.2785591364.

The spelling of 1116056556 in words is "one billion, one hundred sixteen million, fifty-six thousand, five hundred fifty-six".