5215535218 has 16 divisors (see below), whose sum is σ = 8230248000. Its totient is φ = 2475167632.

The previous prime is 5215535173. The next prime is 5215535233. The reversal of 5215535218 is 8125355125.

It is a super-2 number, since 2×5215535218² = 54403615220396615048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 758638 + ... + 765481.

It is an arithmetic number, because the mean of its divisors is an integer number (514390500).

Almost surely, 2^5215535218 is an apocalyptic number.

5215535218 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

5215535218 is a deficient number, since it is larger than the sum of its proper divisors (3014712782).

5215535218 is a wasteful number, since it uses less digits than its factorization.

5215535218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524209.

The product of its digits is 60000, while the sum is 37.

The square root of 5215535218 is about 72218.6625326169. The cubic root of 5215535218 is about 1734.2017791703.

The spelling of 5215535218 in words is "five billion, two hundred fifteen million, five hundred thirty-five thousand, two hundred eighteen".