101320268765591 has 2 divisors, whose sum is σ = 101320268765592. Its totient is φ = 101320268765590.

The previous prime is 101320268765579. The next prime is 101320268765731. The reversal of 101320268765591 is 195567862023101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101320268765591 - 2⁴⁶ = 30951524587927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101320268765531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50660134382795 + 50660134382796.

It is an arithmetic number, because the mean of its divisors is an integer number (50660134382796).

Almost surely, 2^{101320268765591} is an apocalyptic number.

101320268765591 is a deficient number, since it is larger than the sum of its proper divisors (1).

101320268765591 is an equidigital number, since it uses as much as digits as its factorization.

101320268765591 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5443200, while the sum is 56.

The spelling of 101320268765591 in words is "one hundred one trillion, three hundred twenty billion, two hundred sixty-eight million, seven hundred sixty-five thousand, five hundred ninety-one".