12152755509 has 16 divisors (see below), whose sum is σ = 17066239680. Its totient is φ = 7671041280.

The previous prime is 12152755499. The next prime is 12152755567. The reversal of 12152755509 is 90555725121.

12152755509 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12152755509 - 2¹⁶ = 12152689973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12152755009) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 41299 + ... + 161279.

It is an arithmetic number, because the mean of its divisors is an integer number (1066639980).

Almost surely, 2^12152755509 is an apocalyptic number.

12152755509 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

12152755509 is a deficient number, since it is larger than the sum of its proper divisors (4913484171).

12152755509 is a wasteful number, since it uses less digits than its factorization.

12152755509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121780.

The product of its (nonzero) digits is 157500, while the sum is 42.

The spelling of 12152755509 in words is "twelve billion, one hundred fifty-two million, seven hundred fifty-five thousand, five hundred nine".