120044404555 has 4 divisors (see below), whose sum is σ = 144053285472. Its totient is φ = 96035523640.

The previous prime is 120044404553. The next prime is 120044404559. The reversal of 120044404555 is 555404440021.

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

It is not a de Polignac number, because 120044404555 - 2¹ = 120044404553 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 120044404555.

It is not an unprimeable number, because it can be changed into a prime (120044404553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12004440451 + ... + 12004440460.

It is an arithmetic number, because the mean of its divisors is an integer number (36013321368).

Almost surely, 2^120044404555 is an apocalyptic number.

120044404555 is a deficient number, since it is larger than the sum of its proper divisors (24008880917).

120044404555 is an equidigital number, since it uses as much as digits as its factorization.

120044404555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24008880916.

The product of its (nonzero) digits is 64000, while the sum is 34.

Adding to 120044404555 its reverse (555404440021), we get a palindrome (675448844576).

The spelling of 120044404555 in words is "one hundred twenty billion, forty-four million, four hundred four thousand, five hundred fifty-five".