1118564000 has 48 divisors (see below), whose sum is σ = 2748321576. Its totient is φ = 447424000.

The previous prime is 1118563987. The next prime is 1118564023. The reversal of 1118564000 is 4658111.

1118564000 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 107578384 + 1010985616 = 10372^2 + 31796^2 .

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, 135821 + ... + 143820.

Almost surely, 2^1118564000 is an apocalyptic number.

1118564000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1118564000 is an abundant number, since it is smaller than the sum of its proper divisors (1629757576).

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

1118564000 is an equidigital number, since it uses as much as digits as its factorization.

1118564000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279666 (or 279648 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 26.

The square root of 1118564000 is about 33444.9398265268. The cubic root of 1118564000 is about 1038.0547959336.

The spelling of 1118564000 in words is "one billion, one hundred eighteen million, five hundred sixty-four thousand".