109120485217 has 2 divisors, whose sum is σ = 109120485218. Its totient is φ = 109120485216.

The previous prime is 109120485107. The next prime is 109120485239. The reversal of 109120485217 is 712584021901.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104923518561 + 4196966656 = 323919^2 + 64784^2 .

It is an emirp because it is prime and its reverse (712584021901) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 109120485217 - 2¹⁵ = 109120452449 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 109120485217.

It is not a weakly prime, because it can be changed into another prime (109120485277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54560242608 + 54560242609.

It is an arithmetic number, because the mean of its divisors is an integer number (54560242609).

Almost surely, 2^109120485217 is an apocalyptic number.

It is an amenable number.

109120485217 is a deficient number, since it is larger than the sum of its proper divisors (1).

109120485217 is an equidigital number, since it uses as much as digits as its factorization.

109120485217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 40.

The spelling of 109120485217 in words is "one hundred nine billion, one hundred twenty million, four hundred eighty-five thousand, two hundred seventeen".