2143150225065 has 12 divisors (see below), whose sum is σ = 3714793723524. Its totient is φ = 1143013453344.

The previous prime is 2143150225061. The next prime is 2143150225103. The reversal of 2143150225065 is 5605220513412.

2143150225065 is a `hidden beast` number, since 2 + 1 + 43 + 1 + 502 + 2 + 50 + 65 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 999968000256 + 1143182224809 = 999984^2 + 1069197^2 .

It is not a de Polignac number, because 2143150225065 - 2² = 2143150225061 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2143150225061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23812780234 + ... + 23812780323.

It is an arithmetic number, because the mean of its divisors is an integer number (309566143627).

Almost surely, 2^{2143150225065} is an apocalyptic number.

It is an amenable number.

2143150225065 is a deficient number, since it is larger than the sum of its proper divisors (1571643498459).

2143150225065 is a wasteful number, since it uses less digits than its factorization.

2143150225065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47625560568 (or 47625560565 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

Adding to 2143150225065 its reverse (5605220513412), we get a palindrome (7748370738477).

The spelling of 2143150225065 in words is "two trillion, one hundred forty-three billion, one hundred fifty million, two hundred twenty-five thousand, sixty-five".