120255040351445 has 4 divisors (see below), whose sum is σ = 144306048421740. Its totient is φ = 96204032281152.

The previous prime is 120255040351441. The next prime is 120255040351471. The reversal of 120255040351445 is 544153040552021.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 12758662493329 + 107496377858116 = 3571927^2 + 10368046^2 .

It is a cyclic number.

It is not a de Polignac number, because 120255040351445 - 2² = 120255040351441 is a prime.

It is a super-2 number, since 2×120255040351445² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (120255040351441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12025504035140 + ... + 12025504035149.

It is an arithmetic number, because the mean of its divisors is an integer number (36076512105435).

Almost surely, 2^{120255040351445} is an apocalyptic number.

It is an amenable number.

120255040351445 is a deficient number, since it is larger than the sum of its proper divisors (24051008070295).

120255040351445 is an equidigital number, since it uses as much as digits as its factorization.

120255040351445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24051008070294.

The product of its (nonzero) digits is 480000, while the sum is 41.

The spelling of 120255040351445 in words is "one hundred twenty trillion, two hundred fifty-five billion, forty million, three hundred fifty-one thousand, four hundred forty-five".