2256323503312 has 20 divisors (see below), whose sum is σ = 4433198998176. Its totient is φ = 1112272148960.

The previous prime is 2256323503283. The next prime is 2256323503319. The reversal of 2256323503312 is 2133053236522.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256323503319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 993098998 + ... + 993101269.

Almost surely, 2^{2256323503312} is an apocalyptic number.

It is an amenable number.

2256323503312 is a deficient number, since it is larger than the sum of its proper divisors (2176875494864).

2256323503312 is a wasteful number, since it uses less digits than its factorization.

2256323503312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1986200346 (or 1986200340 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 37.

Adding to 2256323503312 its reverse (2133053236522), we get a palindrome (4389376739834).

The spelling of 2256323503312 in words is "two trillion, two hundred fifty-six billion, three hundred twenty-three million, five hundred three thousand, three hundred twelve".