8535440811 has 16 divisors (see below), whose sum is σ = 11481505280. Its totient is φ = 5639971680.

The previous prime is 8535440779. The next prime is 8535440819. The reversal of 8535440811 is 1180445358.

It is not a de Polignac number, because 8535440811 - 2⁵ = 8535440779 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8535440811.

It is not an unprimeable number, because it can be changed into a prime (8535440819) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238926 + ... + 272316.

It is an arithmetic number, because the mean of its divisors is an integer number (717594080).

Almost surely, 2^8535440811 is an apocalyptic number.

8535440811 is a deficient number, since it is larger than the sum of its proper divisors (2946064469).

8535440811 is a wasteful number, since it uses less digits than its factorization.

8535440811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34146.

The product of its (nonzero) digits is 76800, while the sum is 39.

The square root of 8535440811 is about 92387.4494236095. The cubic root of 8535440811 is about 2043.6600329539.

The spelling of 8535440811 in words is "eight billion, five hundred thirty-five million, four hundred forty thousand, eight hundred eleven".