12453115448 has 32 divisors (see below), whose sum is σ = 24014018160. Its totient is φ = 6050849280.

The previous prime is 12453115447. The next prime is 12453115481. The reversal of 12453115448 is 84451135421.

12453115448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12453115448² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453115447) 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 7 ways as a sum of consecutive naturals, for example, 24113 + ... + 159648.

Almost surely, 2^12453115448 is an apocalyptic number.

It is an amenable number.

12453115448 is a deficient number, since it is larger than the sum of its proper divisors (11560902712).

12453115448 is a wasteful number, since it uses less digits than its factorization.

12453115448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184007 (or 184003 counting only the distinct ones).

The product of its digits is 76800, while the sum is 38.

The spelling of 12453115448 in words is "twelve billion, four hundred fifty-three million, one hundred fifteen thousand, four hundred forty-eight".