5215118568 has 32 divisors (see below), whose sum is σ = 14223051360. Its totient is φ = 1580338880.

The previous prime is 5215118507. The next prime is 5215118569. The reversal of 5215118568 is 8658115125.

It is not an unprimeable number, because it can be changed into a prime (5215118569) 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, 9876855 + ... + 9877382.

It is an arithmetic number, because the mean of its divisors is an integer number (444470355).

Almost surely, 2^5215118568 is an apocalyptic number.

It is an amenable number.

5215118568 is an abundant number, since it is smaller than the sum of its proper divisors (9007932792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5215118568 is a wasteful number, since it uses less digits than its factorization.

5215118568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19754257 (or 19754253 counting only the distinct ones).

The product of its digits is 96000, while the sum is 42.

The square root of 5215118568 is about 72215.7778328254. Note that the first 3 decimals coincide. The cubic root of 5215118568 is about 1734.1555982651.

The spelling of 5215118568 in words is "five billion, two hundred fifteen million, one hundred eighteen thousand, five hundred sixty-eight".