11808528558618 has 32 divisors (see below), whose sum is σ = 25952121178560. Its totient is φ = 3552222700160.

The previous prime is 11808528558599. The next prime is 11808528558661. The reversal of 11808528558618 is 81685582580811.

11808528558618 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 652973073 + ... + 652991156.

It is an arithmetic number, because the mean of its divisors is an integer number (811003786830).

Almost surely, 2^{11808528558618} is an apocalyptic number.

11808528558618 is an abundant number, since it is smaller than the sum of its proper divisors (14143592619942).

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

11808528558618 is a wasteful number, since it uses less digits than its factorization.

11808528558618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1305964382.

The product of its (nonzero) digits is 49152000, while the sum is 66.

The spelling of 11808528558618 in words is "eleven trillion, eight hundred eight billion, five hundred twenty-eight million, five hundred fifty-eight thousand, six hundred eighteen".