8211150805 has 32 divisors (see below), whose sum is σ = 11596919040. Its totient is φ = 5502420480.

The previous prime is 8211150803. The next prime is 8211150847. The reversal of 8211150805 is 5080511128.

It is not a de Polignac number, because 8211150805 - 2¹ = 8211150803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8211150803) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 396744 + ... + 416926.

It is an arithmetic number, because the mean of its divisors is an integer number (362403720).

Almost surely, 2^8211150805 is an apocalyptic number.

It is an amenable number.

8211150805 is a deficient number, since it is larger than the sum of its proper divisors (3385768235).

8211150805 is a wasteful number, since it uses less digits than its factorization.

8211150805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20781.

The product of its (nonzero) digits is 3200, while the sum is 31.

The square root of 8211150805 is about 90615.4004846858. The cubic root of 8211150805 is about 2017.4433233624.

The spelling of 8211150805 in words is "eight billion, two hundred eleven million, one hundred fifty thousand, eight hundred five".