12725551745406 has 24 divisors (see below), whose sum is σ = 27640786973904. Its totient is φ = 4231272398400.

The previous prime is 12725551745393. The next prime is 12725551745411. The reversal of 12725551745406 is 60454715552721.

12725551745406 is a `hidden beast` number, since 1 + 2 + 7 + 2 + 5 + 551 + 7 + 45 + 40 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 881507866 + ... + 881522301.

It is an arithmetic number, because the mean of its divisors is an integer number (1151699457246).

Almost surely, 2^{12725551745406} is an apocalyptic number.

12725551745406 is an abundant number, since it is smaller than the sum of its proper divisors (14915235228498).

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

12725551745406 is a wasteful number, since it uses less digits than its factorization.

12725551745406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1763030576 (or 1763030573 counting only the distinct ones).

The product of its (nonzero) digits is 11760000, while the sum is 54.

The spelling of 12725551745406 in words is "twelve trillion, seven hundred twenty-five billion, five hundred fifty-one million, seven hundred forty-five thousand, four hundred six".