120244544322155 has 32 divisors (see below), whose sum is σ = 161408270310336. Its totient is φ = 85234072320000.

The previous prime is 120244544322143. The next prime is 120244544322181. The reversal of 120244544322155 is 551223445442021.

It is not a de Polignac number, because 120244544322155 - 2⁸ = 120244544321899 is a prime.

It is a Duffinian 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, 23811026 + ... + 28415735.

It is an arithmetic number, because the mean of its divisors is an integer number (5044008447198).

Almost surely, 2^{120244544322155} is an apocalyptic number.

120244544322155 is a deficient number, since it is larger than the sum of its proper divisors (41163725988181).

120244544322155 is a wasteful number, since it uses less digits than its factorization.

120244544322155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52227839.

The product of its (nonzero) digits is 1536000, while the sum is 44.

Adding to 120244544322155 its reverse (551223445442021), we get a palindrome (671467989764176).

The spelling of 120244544322155 in words is "one hundred twenty trillion, two hundred forty-four billion, five hundred forty-four million, three hundred twenty-two thousand, one hundred fifty-five".