25143665340007 has 2 divisors, whose sum is σ = 25143665340008. Its totient is φ = 25143665340006.

The previous prime is 25143665339993. The next prime is 25143665340037. The reversal of 25143665340007 is 70004356634152.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25143665340007 - 2¹⁵ = 25143665307239 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25143665340037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12571832670003 + 12571832670004.

It is an arithmetic number, because the mean of its divisors is an integer number (12571832670004).

Almost surely, 2^{25143665340007} is an apocalyptic number.

25143665340007 is a deficient number, since it is larger than the sum of its proper divisors (1).

25143665340007 is an equidigital number, since it uses as much as digits as its factorization.

25143665340007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1814400, while the sum is 46.

The spelling of 25143665340007 in words is "twenty-five trillion, one hundred forty-three billion, six hundred sixty-five million, three hundred forty thousand, seven".