120456340555571 has 2 divisors, whose sum is σ = 120456340555572. Its totient is φ = 120456340555570.

The previous prime is 120456340555519. The next prime is 120456340555667. The reversal of 120456340555571 is 175555043654021.

It is a weak prime.

It is an emirp because it is prime and its reverse (175555043654021) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120456340555571 is a prime.

It is not a weakly prime, because it can be changed into another prime (120456340551571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60228170277785 + 60228170277786.

It is an arithmetic number, because the mean of its divisors is an integer number (60228170277786).

Almost surely, 2^{120456340555571} is an apocalyptic number.

120456340555571 is a deficient number, since it is larger than the sum of its proper divisors (1).

120456340555571 is an equidigital number, since it uses as much as digits as its factorization.

120456340555571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12600000, while the sum is 53.

The spelling of 120456340555571 in words is "one hundred twenty trillion, four hundred fifty-six billion, three hundred forty million, five hundred fifty-five thousand, five hundred seventy-one".