12253503243544 has 8 divisors (see below), whose sum is σ = 22975318581660. Its totient is φ = 6126751621768.

The previous prime is 12253503243523. The next prime is 12253503243551. The reversal of 12253503243544 is 44534230535221.

12253503243544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 12253503243544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765843952714 + ... + 765843952729.

Almost surely, 2^{12253503243544} is an apocalyptic number.

It is an amenable number.

12253503243544 is a deficient number, since it is larger than the sum of its proper divisors (10721815338116).

12253503243544 is a wasteful number, since it uses less digits than its factorization.

12253503243544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1531687905449 (or 1531687905445 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 12253503243544 its reverse (44534230535221), we get a palindrome (56787733778765).

The spelling of 12253503243544 in words is "twelve trillion, two hundred fifty-three billion, five hundred three million, two hundred forty-three thousand, five hundred forty-four".