2130665312505 has 16 divisors (see below), whose sum is σ = 3416007616704. Its totient is φ = 1134040461120.

The previous prime is 2130665312443. The next prime is 2130665312513. The reversal of 2130665312505 is 5052135660312.

It is not a de Polignac number, because 2130665312505 - 2⁹ = 2130665311993 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144640654 + ... + 144655383.

It is an arithmetic number, because the mean of its divisors is an integer number (213500476044).

Almost surely, 2^{2130665312505} is an apocalyptic number.

It is an amenable number.

2130665312505 is a deficient number, since it is larger than the sum of its proper divisors (1285342304199).

2130665312505 is a wasteful number, since it uses less digits than its factorization.

2130665312505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289296536.

The product of its (nonzero) digits is 162000, while the sum is 39.

The spelling of 2130665312505 in words is "two trillion, one hundred thirty billion, six hundred sixty-five million, three hundred twelve thousand, five hundred five".