14012640025 has 6 divisors (see below), whose sum is σ = 17375673662. Its totient is φ = 11210112000.

The previous prime is 14012640013. The next prime is 14012640043. The reversal of 14012640025 is 52004621041.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 138862656 + 13873777369 = 11784^2 + 117787^2 .

It is not a de Polignac number, because 14012640025 - 2⁹ = 14012639513 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 560505601 = 14012640025 / (1 + 4 + 0 + 1 + 2 + 6 + 4 + 0 + 0 + 2 + 5).

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 280252776 + ... + 280252825.

Almost surely, 2^14012640025 is an apocalyptic number.

It is an amenable number.

14012640025 is a deficient number, since it is larger than the sum of its proper divisors (3363033637).

14012640025 is an equidigital number, since it uses as much as digits as its factorization.

14012640025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560505611 (or 560505606 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 14012640025 in words is "fourteen billion, twelve million, six hundred forty thousand, twenty-five".