12425631451785 has 48 divisors (see below), whose sum is σ = 21551764478400. Its totient is φ = 6622696275072.

The previous prime is 12425631451781. The next prime is 12425631451787. The reversal of 12425631451785 is 58715413652421.

12425631451785 is a `hidden beast` number, since 1 + 2 + 4 + 2 + 563 + 1 + 4 + 5 + 1 + 78 + 5 = 666.

It is not a de Polignac number, because 12425631451785 - 2² = 12425631451781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12425631451781) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 487860031 + ... + 487885499.

It is an arithmetic number, because the mean of its divisors is an integer number (448995093300).

Almost surely, 2^{12425631451785} is an apocalyptic number.

12425631451785 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12425631451785 is a deficient number, since it is larger than the sum of its proper divisors (9126133026615).

12425631451785 is a wasteful number, since it uses less digits than its factorization.

12425631451785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32102 (or 32099 counting only the distinct ones).

The product of its digits is 8064000, while the sum is 54.

The spelling of 12425631451785 in words is "twelve trillion, four hundred twenty-five billion, six hundred thirty-one million, four hundred fifty-one thousand, seven hundred eighty-five".