5191452281591 has 2 divisors, whose sum is σ = 5191452281592. Its totient is φ = 5191452281590.

The previous prime is 5191452281531. The next prime is 5191452281611. The reversal of 5191452281591 is 1951822541915.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5191452281591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5191452281531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2595726140795 + 2595726140796.

It is an arithmetic number, because the mean of its divisors is an integer number (2595726140796).

Almost surely, 2^{5191452281591} is an apocalyptic number.

5191452281591 is a deficient number, since it is larger than the sum of its proper divisors (1).

5191452281591 is an equidigital number, since it uses as much as digits as its factorization.

5191452281591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296000, while the sum is 53.

The spelling of 5191452281591 in words is "five trillion, one hundred ninety-one billion, four hundred fifty-two million, two hundred eighty-one thousand, five hundred ninety-one".