120275565776165 has 8 divisors (see below), whose sum is σ = 144338391899928. Its totient is φ = 96215310641920.

The previous prime is 120275565776143. The next prime is 120275565776221. The reversal of 120275565776165 is 561677565572021.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 39253658295076 + 81021907481089 = 6265274^2 + 9001217^2 .

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

It is not a de Polignac number, because 120275565776165 - 2⁶ = 120275565776101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642644456 + ... + 642831585.

It is an arithmetic number, because the mean of its divisors is an integer number (18042298987491).

Almost surely, 2^{120275565776165} is an apocalyptic number.

It is an amenable number.

120275565776165 is a deficient number, since it is larger than the sum of its proper divisors (24062826123763).

120275565776165 is a wasteful number, since it uses less digits than its factorization.

120275565776165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1285494759.

The product of its (nonzero) digits is 185220000, while the sum is 65.

The spelling of 120275565776165 in words is "one hundred twenty trillion, two hundred seventy-five billion, five hundred sixty-five million, seven hundred seventy-six thousand, one hundred sixty-five".