2255243423551 has 4 divisors (see below), whose sum is σ = 2287007415504. Its totient is φ = 2223479431600.

The previous prime is 2255243423533. The next prime is 2255243423593. The reversal of 2255243423551 is 1553243425522.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2255243423551 - 2¹¹ = 2255243421503 is a prime.

It is a super-2 number, since 2×2255243423551² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2255243423498 and 2255243423507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255243426551) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15881995870 + ... + 15881996011.

It is an arithmetic number, because the mean of its divisors is an integer number (571751853876).

Almost surely, 2^{2255243423551} is an apocalyptic number.

2255243423551 is a deficient number, since it is larger than the sum of its proper divisors (31763991953).

2255243423551 is an equidigital number, since it uses as much as digits as its factorization.

2255243423551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31763991952.

The product of its digits is 1440000, while the sum is 43.

The spelling of 2255243423551 in words is "two trillion, two hundred fifty-five billion, two hundred forty-three million, four hundred twenty-three thousand, five hundred fifty-one".