120544200023155 has 8 divisors (see below), whose sum is σ = 145109358767952. Its totient is φ = 96131147525088.

The previous prime is 120544200023153. The next prime is 120544200023197. The reversal of 120544200023155 is 551320002445021.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120544200023155 - 2¹ = 120544200023153 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 120544200023155.

It is not an unprimeable number, because it can be changed into a prime (120544200023153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38026559937 + ... + 38026563106.

It is an arithmetic number, because the mean of its divisors is an integer number (18138669845994).

Almost surely, 2^{120544200023155} is an apocalyptic number.

120544200023155 is a deficient number, since it is larger than the sum of its proper divisors (24565158744797).

120544200023155 is an equidigital number, since it uses as much as digits as its factorization.

120544200023155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76053123365.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 120544200023155 its reverse (551320002445021), we get a palindrome (671864202468176).

The spelling of 120544200023155 in words is "one hundred twenty trillion, five hundred forty-four billion, two hundred million, twenty-three thousand, one hundred fifty-five".