120585457775 has 6 divisors (see below), whose sum is σ = 149525967672. Its totient is φ = 96468366200.

The previous prime is 120585457771. The next prime is 120585457813. The reversal of 120585457775 is 577754585021.

It is not a de Polignac number, because 120585457775 - 2² = 120585457771 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120585457775.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120585457771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2411709131 + ... + 2411709180.

It is an arithmetic number, because the mean of its divisors is an integer number (24920994612).

Almost surely, 2^120585457775 is an apocalyptic number.

120585457775 is a deficient number, since it is larger than the sum of its proper divisors (28940509897).

120585457775 is an equidigital number, since it uses as much as digits as its factorization.

120585457775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4823418321 (or 4823418316 counting only the distinct ones).

The product of its (nonzero) digits is 13720000, while the sum is 56.

The spelling of 120585457775 in words is "one hundred twenty billion, five hundred eighty-five million, four hundred fifty-seven thousand, seven hundred seventy-five".