2255231521543 has 32 divisors (see below), whose sum is σ = 3079325329920. Its totient is φ = 1594650533760.

The previous prime is 2255231521531. The next prime is 2255231521633. The reversal of 2255231521543 is 3451251325522.

It is a cyclic number.

It is not a de Polignac number, because 2255231521543 - 2⁹ = 2255231521031 is a prime.

It is a super-2 number, since 2×2255231521543² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2255231521496 and 2255231521505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255231521343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19033980 + ... + 19152097.

It is an arithmetic number, because the mean of its divisors is an integer number (96228916560).

Almost surely, 2^{2255231521543} is an apocalyptic number.

2255231521543 is a deficient number, since it is larger than the sum of its proper divisors (824093808377).

2255231521543 is a wasteful number, since it uses less digits than its factorization.

2255231521543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38186167.

The product of its digits is 360000, while the sum is 40.

The spelling of 2255231521543 in words is "two trillion, two hundred fifty-five billion, two hundred thirty-one million, five hundred twenty-one thousand, five hundred forty-three".