2065320657525 has 24 divisors (see below), whose sum is σ = 3414873593824. Its totient is φ = 1101436574400.

The previous prime is 2065320657523. The next prime is 2065320657553. The reversal of 2065320657525 is 5257560235602.

It is not a de Polignac number, because 2065320657525 - 2¹ = 2065320657523 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065320657523) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 391827 + ... + 2069823.

Almost surely, 2^{2065320657525} is an apocalyptic number.

2065320657525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2065320657525 is a deficient number, since it is larger than the sum of its proper divisors (1349552936299).

2065320657525 is a wasteful number, since it uses less digits than its factorization.

2065320657525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1694421 (or 1694416 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 48.

The spelling of 2065320657525 in words is "two trillion, sixty-five billion, three hundred twenty million, six hundred fifty-seven thousand, five hundred twenty-five".