5118359221 has 8 divisors (see below), whose sum is σ = 5257640024. Its totient is φ = 4979128320.

The previous prime is 5118359179. The next prime is 5118359227. The reversal of 5118359221 is 1229538115.

It can be written as a sum of positive squares in 4 ways, for example, as 826275025 + 4292084196 = 28745^2 + 65514^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5118359221 - 2⁷ = 5118359093 is a prime.

It is a super-2 number, since 2×5118359221² = 52395202230391453682, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5118359227) 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, 300781 + ... + 317341.

It is an arithmetic number, because the mean of its divisors is an integer number (657205003).

Almost surely, 2^5118359221 is an apocalyptic number.

It is an amenable number.

5118359221 is a deficient number, since it is larger than the sum of its proper divisors (139280803).

5118359221 is a wasteful number, since it uses less digits than its factorization.

5118359221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24951.

The product of its digits is 21600, while the sum is 37.

The square root of 5118359221 is about 71542.7090694782. The cubic root of 5118359221 is about 1723.3636203134.

The spelling of 5118359221 in words is "five billion, one hundred eighteen million, three hundred fifty-nine thousand, two hundred twenty-one".