120159318569 has 2 divisors, whose sum is σ = 120159318570. Its totient is φ = 120159318568.

The previous prime is 120159318547. The next prime is 120159318593. The reversal of 120159318569 is 965813951021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69597298969 + 50562019600 = 263813^2 + 224860^2 .

It is an emirp because it is prime and its reverse (965813951021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120159318569 is a prime.

It is a super-2 number, since 2×120159318569² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120159318469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60079659284 + 60079659285.

It is an arithmetic number, because the mean of its divisors is an integer number (60079659285).

Almost surely, 2^120159318569 is an apocalyptic number.

It is an amenable number.

120159318569 is a deficient number, since it is larger than the sum of its proper divisors (1).

120159318569 is an equidigital number, since it uses as much as digits as its factorization.

120159318569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 583200, while the sum is 50.

The spelling of 120159318569 in words is "one hundred twenty billion, one hundred fifty-nine million, three hundred eighteen thousand, five hundred sixty-nine".