12753521543 has 8 divisors (see below), whose sum is σ = 14578265760. Its totient is φ = 10929480480.

The previous prime is 12753521531. The next prime is 12753521549. The reversal of 12753521543 is 34512535721.

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 12753521543 - 2³⁰ = 11679779719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12753521497 and 12753521506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12753521549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 136328 + ... + 209981.

It is an arithmetic number, because the mean of its divisors is an integer number (1822283220).

Almost surely, 2^12753521543 is an apocalyptic number.

12753521543 is a deficient number, since it is larger than the sum of its proper divisors (1824744217).

12753521543 is an equidigital number, since it uses as much as digits as its factorization.

12753521543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351577.

The product of its digits is 126000, while the sum is 38.

The spelling of 12753521543 in words is "twelve billion, seven hundred fifty-three million, five hundred twenty-one thousand, five hundred forty-three".