1115006556 has 24 divisors (see below), whose sum is σ = 2644334224. Its totient is φ = 365575680.

The previous prime is 1115006551. The next prime is 1115006623. The reversal of 1115006556 is 6556005111.

It is a super-2 number, since 2×1115006556² = 2486479239845962272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115006551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 760885 + ... + 762348.

Almost surely, 2^1115006556 is an apocalyptic number.

It is an amenable number.

1115006556 is an abundant number, since it is smaller than the sum of its proper divisors (1529327668).

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

1115006556 is a wasteful number, since it uses less digits than its factorization.

1115006556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1523301 (or 1523299 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 1115006556 is about 33391.7138823391. The cubic root of 1115006556 is about 1036.9531621782.

The spelling of 1115006556 in words is "one billion, one hundred fifteen million, six thousand, five hundred fifty-six".