120415552321055 has 32 divisors (see below), whose sum is σ = 148793769875520. Its totient is φ = 93497945748480.

The previous prime is 120415552321049. The next prime is 120415552321067. The reversal of 120415552321055 is 550123255514021.

It is not a de Polignac number, because 120415552321055 - 2⁶ = 120415552320991 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68350091 + ... + 70089699.

It is an arithmetic number, because the mean of its divisors is an integer number (4649805308610).

Almost surely, 2^{120415552321055} is an apocalyptic number.

120415552321055 is a deficient number, since it is larger than the sum of its proper divisors (28378217554465).

120415552321055 is a wasteful number, since it uses less digits than its factorization.

120415552321055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741691.

The product of its (nonzero) digits is 300000, while the sum is 41.

The spelling of 120415552321055 in words is "one hundred twenty trillion, four hundred fifteen billion, five hundred fifty-two million, three hundred twenty-one thousand, fifty-five".