4255231112345 has 12 divisors (see below), whose sum is σ = 5120541344100. Its totient is φ = 3394701966624.

The previous prime is 4255231112299. The next prime is 4255231112359. The reversal of 4255231112345 is 5432111325524.

It can be written as a sum of positive squares in 2 ways, for example, as 785017264144 + 3470213848201 = 886012^2 + 1862851^2 .

It is not a de Polignac number, because 4255231112345 - 2²⁰ = 4255230063769 is a prime.

It is a super-2 number, since 2×4255231112345² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4255231112299 and 4255231112308.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2657270 + ... + 3946079.

It is an arithmetic number, because the mean of its divisors is an integer number (426711778675).

Almost surely, 2^{4255231112345} is an apocalyptic number.

It is an amenable number.

4255231112345 is a deficient number, since it is larger than the sum of its proper divisors (865310231755).

4255231112345 is an frugal number, since it uses more digits than its factorization.

4255231112345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6604072 (or 6603713 counting only the distinct ones).

The product of its digits is 144000, while the sum is 38.

Adding to 4255231112345 its reverse (5432111325524), we get a palindrome (9687342437869).

The spelling of 4255231112345 in words is "four trillion, two hundred fifty-five billion, two hundred thirty-one million, one hundred twelve thousand, three hundred forty-five".