6112720520 has 16 divisors (see below), whose sum is σ = 13753621260. Its totient is φ = 2445088192.

The previous prime is 6112720507. The next prime is 6112720541. The reversal of 6112720520 is 250272116.

It can be written as a sum of positive squares in 2 ways, for example, as 6089929444 + 22791076 = 78038^2 + 4774^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6112720520.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76408967 + ... + 76409046.

Almost surely, 2^6112720520 is an apocalyptic number.

It is an amenable number.

6112720520 is an abundant number, since it is smaller than the sum of its proper divisors (7640900740).

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

6112720520 is a wasteful number, since it uses less digits than its factorization.

6112720520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152818024 (or 152818020 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 26.

The square root of 6112720520 is about 78183.8891332479. The cubic root of 6112720520 is about 1828.4293330221.

Adding to 6112720520 its reverse (250272116), we get a palindrome (6362992636).

The spelling of 6112720520 in words is "six billion, one hundred twelve million, seven hundred twenty thousand, five hundred twenty".