1252288847791 has 2 divisors, whose sum is σ = 1252288847792. Its totient is φ = 1252288847790.

The previous prime is 1252288847717. The next prime is 1252288847801. The reversal of 1252288847791 is 1977488822521.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1252288847791 - 2⁹ = 1252288847279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1252288847191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 626144423895 + 626144423896.

It is an arithmetic number, because the mean of its divisors is an integer number (626144423896).

Almost surely, 2^{1252288847791} is an apocalyptic number.

1252288847791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1252288847791 is an equidigital number, since it uses as much as digits as its factorization.

1252288847791 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36126720, while the sum is 64.

The spelling of 1252288847791 in words is "one trillion, two hundred fifty-two billion, two hundred eighty-eight million, eight hundred forty-seven thousand, seven hundred ninety-one".