8640450111 has 8 divisors (see below), whose sum is σ = 11634665904. Its totient is φ = 5703267200.

The previous prime is 8640450097. The next prime is 8640450121. The reversal of 8640450111 is 1110540468.

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

It is a cyclic number.

It is not a de Polignac number, because 8640450111 - 2⁵ = 8640450079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8640450121) 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, 14257866 + ... + 14258471.

It is an arithmetic number, because the mean of its divisors is an integer number (1454333238).

Almost surely, 2^8640450111 is an apocalyptic number.

8640450111 is a deficient number, since it is larger than the sum of its proper divisors (2994215793).

8640450111 is a wasteful number, since it uses less digits than its factorization.

8640450111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28516441.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 8640450111 is about 92954.0214891212. The cubic root of 8640450111 is about 2052.0067686795.

Adding to 8640450111 its reverse (1110540468), we get a palindrome (9750990579).

The spelling of 8640450111 in words is "eight billion, six hundred forty million, four hundred fifty thousand, one hundred eleven".