12550414905 has 24 divisors (see below), whose sum is σ = 24861774912. Its totient is φ = 5737332384.

The previous prime is 12550414901. The next prime is 12550414913. The reversal of 12550414905 is 50941405521.

12550414905 is a `hidden beast` number, since 1 + 2 + 5 + 504 + 149 + 0 + 5 = 666.

It is not a de Polignac number, because 12550414905 - 2² = 12550414901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12550414905.

It is not an unprimeable number, because it can be changed into a prime (12550414901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19920979 + ... + 19921608.

It is an arithmetic number, because the mean of its divisors is an integer number (1035907288).

Almost surely, 2^12550414905 is an apocalyptic number.

12550414905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12550414905 is a deficient number, since it is larger than the sum of its proper divisors (12311360007).

12550414905 is a wasteful number, since it uses less digits than its factorization.

12550414905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39842605 (or 39842602 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 36.

The spelling of 12550414905 in words is "twelve billion, five hundred fifty million, four hundred fourteen thousand, nine hundred five".