12541405525 has 48 divisors (see below), whose sum is σ = 17898854400. Its totient is φ = 8621208000.

The previous prime is 12541405517. The next prime is 12541405531. The reversal of 12541405525 is 52550414521.

It is not a de Polignac number, because 12541405525 - 2³ = 12541405517 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2500270 + ... + 2505280.

It is an arithmetic number, because the mean of its divisors is an integer number (372892800).

Almost surely, 2^12541405525 is an apocalyptic number.

It is an amenable number.

12541405525 is a deficient number, since it is larger than the sum of its proper divisors (5357448875).

12541405525 is a wasteful number, since it uses less digits than its factorization.

12541405525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5530 (or 5525 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 34.

The spelling of 12541405525 in words is "twelve billion, five hundred forty-one million, four hundred five thousand, five hundred twenty-five".