12525366406 has 48 divisors (see below), whose sum is σ = 21871952640. Its totient is φ = 5269682880.

The previous prime is 12525366401. The next prime is 12525366419. The reversal of 12525366406 is 60466352521.

It is a happy number.

12525366406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12525366401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19849711 + ... + 19850341.

It is an arithmetic number, because the mean of its divisors is an integer number (455665680).

Almost surely, 2^12525366406 is an apocalyptic number.

12525366406 is a deficient number, since it is larger than the sum of its proper divisors (9346586234).

12525366406 is an equidigital number, since it uses as much as digits as its factorization.

12525366406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 12525366406 in words is "twelve billion, five hundred twenty-five million, three hundred sixty-six thousand, four hundred six".