6115220530 has 8 divisors (see below), whose sum is σ = 11007396972. Its totient is φ = 2446088208.

The previous prime is 6115220513. The next prime is 6115220539. The reversal of 6115220530 is 350225116.

It can be written as a sum of positive squares in 2 ways, for example, as 6113206969 + 2013561 = 78187^2 + 1419^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 6115220495 and 6115220504.

It is not an unprimeable number, because it can be changed into a prime (6115220539) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305761017 + ... + 305761036.

Almost surely, 2^6115220530 is an apocalyptic number.

6115220530 is a deficient number, since it is larger than the sum of its proper divisors (4892176442).

6115220530 is a wasteful number, since it uses less digits than its factorization.

6115220530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611522060.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 6115220530 is about 78199.8755114099. The cubic root of 6115220530 is about 1828.6785656715.

Adding to 6115220530 its reverse (350225116), we get a palindrome (6465445646).

The spelling of 6115220530 in words is "six billion, one hundred fifteen million, two hundred twenty thousand, five hundred thirty".