12541525534 has 16 divisors (see below), whose sum is σ = 18955569600. Its totient is φ = 6223031424.

The previous prime is 12541525531. The next prime is 12541525541. The reversal of 12541525534 is 43552514521.

It is a junction number, because it is equal to n+sod(n) for n = 12541525493 and 12541525502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12541525531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1290907 + ... + 1300585.

It is an arithmetic number, because the mean of its divisors is an integer number (1184723100).

Almost surely, 2^12541525534 is an apocalyptic number.

12541525534 is a deficient number, since it is larger than the sum of its proper divisors (6414044066).

12541525534 is a wasteful number, since it uses less digits than its factorization.

12541525534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14547.

The product of its digits is 120000, while the sum is 37.

The spelling of 12541525534 in words is "twelve billion, five hundred forty-one million, five hundred twenty-five thousand, five hundred thirty-four".