120165251305 has 16 divisors (see below), whose sum is σ = 157328380800. Its totient is φ = 87381164160.

The previous prime is 120165251291. The next prime is 120165251317. The reversal of 120165251305 is 503152561021.

It is not a de Polignac number, because 120165251305 - 2⁵ = 120165251273 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277141 + ... + 563149.

It is an arithmetic number, because the mean of its divisors is an integer number (9833023800).

Almost surely, 2^120165251305 is an apocalyptic number.

It is an amenable number.

120165251305 is a deficient number, since it is larger than the sum of its proper divisors (37163129495).

120165251305 is a wasteful number, since it uses less digits than its factorization.

120165251305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293664.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 120165251305 in words is "one hundred twenty billion, one hundred sixty-five million, two hundred fifty-one thousand, three hundred five".