108051783881617 has 2 divisors, whose sum is σ = 108051783881618. Its totient is φ = 108051783881616.

The previous prime is 108051783881597. The next prime is 108051783881633. The reversal of 108051783881617 is 716188387150801.

It is a Cunningham number, because it is equal to 10394796²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 108051783881616 + 1 = 10394796^2 + 1^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-108051783881617 is a prime.

It is not a weakly prime, because it can be changed into another prime (108051783881417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54025891940808 + 54025891940809.

It is an arithmetic number, because the mean of its divisors is an integer number (54025891940809).

Almost surely, 2^{108051783881617} is an apocalyptic number.

It is an amenable number.

108051783881617 is a deficient number, since it is larger than the sum of its proper divisors (1).

108051783881617 is an equidigital number, since it uses as much as digits as its factorization.

108051783881617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18063360, while the sum is 64.

The spelling of 108051783881617 in words is "one hundred eight trillion, fifty-one billion, seven hundred eighty-three million, eight hundred eighty-one thousand, six hundred seventeen".