11455645618 has 8 divisors (see below), whose sum is σ = 17318771712. Its totient is φ = 5682721716.

The previous prime is 11455645603. The next prime is 11455645637. The reversal of 11455645618 is 81654655411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22550230 + ... + 22550737.

It is an arithmetic number, because the mean of its divisors is an integer number (2164846464).

Almost surely, 2^11455645618 is an apocalyptic number.

11455645618 is a deficient number, since it is larger than the sum of its proper divisors (5863126094).

11455645618 is a wasteful number, since it uses less digits than its factorization.

11455645618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45101096.

The product of its digits is 576000, while the sum is 46.

The spelling of 11455645618 in words is "eleven billion, four hundred fifty-five million, six hundred forty-five thousand, six hundred eighteen".