231755776225 has 24 divisors (see below), whose sum is σ = 288965636960. Its totient is φ = 184381920000.

The previous prime is 231755776201. The next prime is 231755776247. The reversal of 231755776225 is 522677557132.

It is a happy number.

231755776225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 231755776225 - 2¹¹ = 231755774177 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 23 ways as a sum of consecutive naturals, for example, 4426450 + ... + 4478500.

Almost surely, 2^231755776225 is an apocalyptic number.

231755776225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231755776225 is a deficient number, since it is larger than the sum of its proper divisors (57209860735).

231755776225 is a wasteful number, since it uses less digits than its factorization.

231755776225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53041 (or 53036 counting only the distinct ones).

The product of its digits is 6174000, while the sum is 52.

The spelling of 231755776225 in words is "two hundred thirty-one billion, seven hundred fifty-five million, seven hundred seventy-six thousand, two hundred twenty-five".