12540457324806 has 16 divisors (see below), whose sum is σ = 25114311349248. Its totient is φ = 4174586325000.

The previous prime is 12540457324799. The next prime is 12540457324819. The reversal of 12540457324806 is 60842375404521.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 1391524270 + ... + 1391533281.

It is an arithmetic number, because the mean of its divisors is an integer number (1569644459328).

Almost surely, 2^{12540457324806} is an apocalyptic number.

12540457324806 is an abundant number, since it is smaller than the sum of its proper divisors (12573854024442).

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

12540457324806 is a wasteful number, since it uses less digits than its factorization.

12540457324806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2783058307.

The product of its (nonzero) digits is 6451200, while the sum is 51.

The spelling of 12540457324806 in words is "twelve trillion, five hundred forty billion, four hundred fifty-seven million, three hundred twenty-four thousand, eight hundred six".