12061116061506 has 20 divisors (see below), whose sum is σ = 27025834138182. Its totient is φ = 4020372020448.

The previous prime is 12061116061487. The next prime is 12061116061571. The reversal of 12061116061506 is 60516061116021.

12061116061506 is a `hidden beast` number, since 1 + 20 + 6 + 1 + 1 + 16 + 0 + 615 + 0 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 6847616072025 + 5213499989481 = 2616795^2 + 2283309^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 37225666695 + ... + 37225667018.

Almost surely, 2^{12061116061506} is an apocalyptic number.

12061116061506 is an abundant number, since it is smaller than the sum of its proper divisors (14964718076676).

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

12061116061506 is an equidigital number, since it uses as much as digits as its factorization.

12061116061506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74451333727 (or 74451333718 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 36.

Adding to 12061116061506 its reverse (60516061116021), we get a palindrome (72577177177527).

The spelling of 12061116061506 in words is "twelve trillion, sixty-one billion, one hundred sixteen million, sixty-one thousand, five hundred six".