6112720530 has 96 divisors (see below), whose sum is σ = 18285696000. Its totient is φ = 1387794816.

The previous prime is 6112720507. The next prime is 6112720541. The reversal of 6112720530 is 350272116.

It is a happy number.

6112720530 is a `hidden beast` number, since 6 + 1 + 127 + 2 + 0 + 530 = 666.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 6112720494 and 6112720503.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 61311 + ... + 126429.

It is an arithmetic number, because the mean of its divisors is an integer number (190476000).

Almost surely, 2^6112720530 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6112720530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9142848000).

6112720530 is an abundant number, since it is smaller than the sum of its proper divisors (12172975470).

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

6112720530 is a wasteful number, since it uses less digits than its factorization.

6112720530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65288 (or 65285 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 6112720530 is about 78183.8891971997. The cubic root of 6112720530 is about 1828.4293340192.

Adding to 6112720530 its reverse (350272116), we get a palindrome (6462992646).

The spelling of 6112720530 in words is "six billion, one hundred twelve million, seven hundred twenty thousand, five hundred thirty".