12524534505 has 72 divisors (see below), whose sum is σ = 25409210112. Its totient is φ = 5690212416.

The previous prime is 12524534483. The next prime is 12524534537. The reversal of 12524534505 is 50543542521.

12524534505 is a `hidden beast` number, since 125 + 24 + 5 + 3 + 4 + 505 = 666.

It is not a de Polignac number, because 12524534505 - 2¹¹ = 12524532457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12524534505.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 341992 + ... + 376838.

It is an arithmetic number, because the mean of its divisors is an integer number (352905696).

Almost surely, 2^12524534505 is an apocalyptic number.

12524534505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12524534505 is an abundant number, since it is smaller than the sum of its proper divisors (12884675607).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12524534505 is a wasteful number, since it uses less digits than its factorization.

12524534505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35035 (or 35025 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 12524534505 in words is "twelve billion, five hundred twenty-four million, five hundred thirty-four thousand, five hundred five".