1245246522271 has 2 divisors, whose sum is σ = 1245246522272. Its totient is φ = 1245246522270.

The previous prime is 1245246522269. The next prime is 1245246522287. The reversal of 1245246522271 is 1722256425421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1245246522271 - 2¹ = 1245246522269 is a prime.

Together with 1245246522269, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1245246522241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 622623261135 + 622623261136.

It is an arithmetic number, because the mean of its divisors is an integer number (622623261136).

Almost surely, 2^{1245246522271} is an apocalyptic number.

1245246522271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1245246522271 is an equidigital number, since it uses as much as digits as its factorization.

1245246522271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 43.

The spelling of 1245246522271 in words is "one trillion, two hundred forty-five billion, two hundred forty-six million, five hundred twenty-two thousand, two hundred seventy-one".