120165155443019 has 2 divisors, whose sum is σ = 120165155443020. Its totient is φ = 120165155443018.

The previous prime is 120165155442947. The next prime is 120165155443033. The reversal of 120165155443019 is 910344551561021.

It is a strong prime.

It is an emirp because it is prime and its reverse (910344551561021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120165155443019 is a prime.

It is a super-2 number, since 2×120165155443019² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (120165185443019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60082577721509 + 60082577721510.

It is an arithmetic number, because the mean of its divisors is an integer number (60082577721510).

Almost surely, 2^{120165155443019} is an apocalyptic number.

120165155443019 is a deficient number, since it is larger than the sum of its proper divisors (1).

120165155443019 is an equidigital number, since it uses as much as digits as its factorization.

120165155443019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 47.

The spelling of 120165155443019 in words is "one hundred twenty trillion, one hundred sixty-five billion, one hundred fifty-five million, four hundred forty-three thousand, nineteen".