8231605011 has 72 divisors (see below), whose sum is σ = 14806958400. Its totient is φ = 4380415200.

The previous prime is 8231604991. The next prime is 8231605069. The reversal of 8231605011 is 1105061328.

It is not a de Polignac number, because 8231605011 - 2⁶ = 8231604947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8231605511) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 486036 + ... + 502686.

It is an arithmetic number, because the mean of its divisors is an integer number (205652200).

Almost surely, 2^8231605011 is an apocalyptic number.

8231605011 is a deficient number, since it is larger than the sum of its proper divisors (6575353389).

8231605011 is a wasteful number, since it uses less digits than its factorization.

8231605011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16749 (or 16739 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 8231605011 is about 90728.1930328164. The cubic root of 8231605011 is about 2019.1171035422.

Adding to 8231605011 its reverse (1105061328), we get a palindrome (9336666339).

The spelling of 8231605011 in words is "eight billion, two hundred thirty-one million, six hundred five thousand, eleven".