108712220020577 has 2 divisors, whose sum is σ = 108712220020578. Its totient is φ = 108712220020576.

The previous prime is 108712220020561. The next prime is 108712220020603. The reversal of 108712220020577 is 775020022217801.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66868709574241 + 41843510446336 = 8177329^2 + 6468656^2 .

It is a cyclic number.

It is not a de Polignac number, because 108712220020577 - 2⁴ = 108712220020561 is a prime.

It is not a weakly prime, because it can be changed into another prime (108712220040577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54356110010288 + 54356110010289.

It is an arithmetic number, because the mean of its divisors is an integer number (54356110010289).

Almost surely, 2^{108712220020577} is an apocalyptic number.

It is an amenable number.

108712220020577 is a deficient number, since it is larger than the sum of its proper divisors (1).

108712220020577 is an equidigital number, since it uses as much as digits as its factorization.

108712220020577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 219520, while the sum is 44.

The spelling of 108712220020577 in words is "one hundred eight trillion, seven hundred twelve billion, two hundred twenty million, twenty thousand, five hundred seventy-seven".