8011530064 has 20 divisors (see below), whose sum is σ = 15523956180. Its totient is φ = 4005347840.

The previous prime is 8011530049. The next prime is 8011530083. The reversal of 8011530064 is 4600351108.

It can be written as a sum of positive squares in 2 ways, for example, as 1596801600 + 6414728464 = 39960^2 + 80092^2 .

It is a super-2 number, since 2×8011530064² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183294 + ... + 222754.

It is an arithmetic number, because the mean of its divisors is an integer number (776197809).

Almost surely, 2^8011530064 is an apocalyptic number.

It is an amenable number.

8011530064 is a deficient number, since it is larger than the sum of its proper divisors (7512426116).

8011530064 is a wasteful number, since it uses less digits than its factorization.

8011530064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52158 (or 52152 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 8011530064 is about 89507.1509098575. The cubic root of 8011530064 is about 2000.9603774304.

The spelling of 8011530064 in words is "eight billion, eleven million, five hundred thirty thousand, sixty-four".