25012012214543 has 2 divisors, whose sum is σ = 25012012214544. Its totient is φ = 25012012214542.

The previous prime is 25012012214537. The next prime is 25012012214573. The reversal of 25012012214543 is 34541221021052.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25012012214543 - 2¹⁰ = 25012012213519 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25012012214513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12506006107271 + 12506006107272.

It is an arithmetic number, because the mean of its divisors is an integer number (12506006107272).

Almost surely, 2^{25012012214543} is an apocalyptic number.

25012012214543 is a deficient number, since it is larger than the sum of its proper divisors (1).

25012012214543 is an equidigital number, since it uses as much as digits as its factorization.

25012012214543 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 25012012214543 its reverse (34541221021052), we get a palindrome (59553233235595).

The spelling of 25012012214543 in words is "twenty-five trillion, twelve billion, twelve million, two hundred fourteen thousand, five hundred forty-three".