2256311233225 has 72 divisors (see below), whose sum is σ = 3323650665600. Its totient is φ = 1514585923200.

The previous prime is 2256311233207. The next prime is 2256311233243. The reversal of 2256311233225 is 5223321136522.

It is an interprime number because it is at equal distance from previous prime (2256311233207) and next prime (2256311233243).

It is not a de Polignac number, because 2256311233225 - 2¹³ = 2256311225033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17208415 + ... + 17339035.

It is an arithmetic number, because the mean of its divisors is an integer number (46161814800).

Almost surely, 2^{2256311233225} is an apocalyptic number.

2256311233225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2256311233225 is a deficient number, since it is larger than the sum of its proper divisors (1067339432375).

2256311233225 is a wasteful number, since it uses less digits than its factorization.

2256311233225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130943 (or 130931 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

Adding to 2256311233225 its reverse (5223321136522), we get a palindrome (7479632369747).

The spelling of 2256311233225 in words is "two trillion, two hundred fifty-six billion, three hundred eleven million, two hundred thirty-three thousand, two hundred twenty-five".