12152772545 has 12 divisors (see below), whose sum is σ = 15244955796. Its totient is φ = 9299510880.

The previous prime is 12152772523. The next prime is 12152772557. The reversal of 12152772545 is 54527725121.

It is a happy number.

12152772545 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 2 ways, for example, as 4336090801 + 7816681744 = 65849^2 + 88412^2 .

It is not a de Polignac number, because 12152772545 - 2⁶ = 12152772481 is a prime.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 2294666 + ... + 2299955.

It is an arithmetic number, because the mean of its divisors is an integer number (1270412983).

Almost surely, 2^12152772545 is an apocalyptic number.

It is an amenable number.

12152772545 is a deficient number, since it is larger than the sum of its proper divisors (3092183251).

12152772545 is an equidigital number, since it uses as much as digits as its factorization.

12152772545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594672 (or 4594649 counting only the distinct ones).

The product of its digits is 196000, while the sum is 41.

The spelling of 12152772545 in words is "twelve billion, one hundred fifty-two million, seven hundred seventy-two thousand, five hundred forty-five".