25227366601643 has 2 divisors, whose sum is σ = 25227366601644. Its totient is φ = 25227366601642.

The previous prime is 25227366601639. The next prime is 25227366601663. The reversal of 25227366601643 is 34610666372252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25227366601643 - 2² = 25227366601639 is a prime.

It is not a weakly prime, because it can be changed into another prime (25227366601663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12613683300821 + 12613683300822.

It is an arithmetic number, because the mean of its divisors is an integer number (12613683300822).

Almost surely, 2^{25227366601643} is an apocalyptic number.

25227366601643 is a deficient number, since it is larger than the sum of its proper divisors (1).

25227366601643 is an equidigital number, since it uses as much as digits as its factorization.

25227366601643 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13063680, while the sum is 53.

The spelling of 25227366601643 in words is "twenty-five trillion, two hundred twenty-seven billion, three hundred sixty-six million, six hundred one thousand, six hundred forty-three".