2150320516225 has 12 divisors (see below), whose sum is σ = 3047311360384. Its totient is φ = 1474505496720.

The previous prime is 2150320516207. The next prime is 2150320516231. The reversal of 2150320516225 is 5226150230512.

It is not a de Polignac number, because 2150320516225 - 2¹⁷ = 2150320385153 is a prime.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 6143772729 + ... + 6143773078.

Almost surely, 2^{2150320516225} is an apocalyptic number.

2150320516225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2150320516225 is a deficient number, since it is larger than the sum of its proper divisors (896990844159).

2150320516225 is a wasteful number, since it uses less digits than its factorization.

2150320516225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12287545824 (or 12287545819 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 34.

Adding to 2150320516225 its reverse (5226150230512), we get a palindrome (7376470746737).

The spelling of 2150320516225 in words is "two trillion, one hundred fifty billion, three hundred twenty million, five hundred sixteen thousand, two hundred twenty-five".