12527631543 has 16 divisors (see below), whose sum is σ = 19351229696. Its totient is φ = 7060582080.

The previous prime is 12527631539. The next prime is 12527631581. The reversal of 12527631543 is 34513672521.

It is not a de Polignac number, because 12527631543 - 2² = 12527631539 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12527631533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4084453 + ... + 4087518.

It is an arithmetic number, because the mean of its divisors is an integer number (1209451856).

Almost surely, 2^12527631543 is an apocalyptic number.

12527631543 is a deficient number, since it is larger than the sum of its proper divisors (6823598153).

12527631543 is an equidigital number, since it uses as much as digits as its factorization.

12527631543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8172054.

The product of its digits is 151200, while the sum is 39.

The spelling of 12527631543 in words is "twelve billion, five hundred twenty-seven million, six hundred thirty-one thousand, five hundred forty-three".