12537455305 has 8 divisors (see below), whose sum is σ = 15563737800. Its totient is φ = 9684103296.

The previous prime is 12537455297. The next prime is 12537455317. The reversal of 12537455305 is 50355473521.

It is a happy number.

12537455305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1798692921 + 10738762384 = 42411^2 + 103628^2 .

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 12537455305 - 2³ = 12537455297 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43232460 + ... + 43232749.

It is an arithmetic number, because the mean of its divisors is an integer number (1945467225).

Almost surely, 2^12537455305 is an apocalyptic number.

It is an amenable number.

12537455305 is a deficient number, since it is larger than the sum of its proper divisors (3026282495).

12537455305 is an equidigital number, since it uses as much as digits as its factorization.

12537455305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86465243.

The product of its (nonzero) digits is 315000, while the sum is 40.

The spelling of 12537455305 in words is "twelve billion, five hundred thirty-seven million, four hundred fifty-five thousand, three hundred five".