120285215579 has 4 divisors (see below), whose sum is σ = 120294056184. Its totient is φ = 120276374976.

The previous prime is 120285215573. The next prime is 120285215639. The reversal of 120285215579 is 975512582021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 120285215579 - 2²⁴ = 120268438363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120285215573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4399862 + ... + 4427115.

It is an arithmetic number, because the mean of its divisors is an integer number (30073514046).

Almost surely, 2^120285215579 is an apocalyptic number.

120285215579 is a deficient number, since it is larger than the sum of its proper divisors (8840605).

120285215579 is an equidigital number, since it uses as much as digits as its factorization.

120285215579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8840604.

The product of its (nonzero) digits is 504000, while the sum is 47.

The spelling of 120285215579 in words is "one hundred twenty billion, two hundred eighty-five million, two hundred fifteen thousand, five hundred seventy-nine".