255662266551 has 8 divisors (see below), whose sum is σ = 343567140864. Its totient is φ = 169099451640.

The previous prime is 255662266511. The next prime is 255662266567. The reversal of 255662266551 is 155662266552.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 255662266551 - 2⁶ = 255662266487 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 255662266494 and 255662266503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255662266511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335514405 + ... + 335515166.

It is an arithmetic number, because the mean of its divisors is an integer number (42945892608).

Almost surely, 2^255662266551 is an apocalyptic number.

255662266551 is a deficient number, since it is larger than the sum of its proper divisors (87904874313).

255662266551 is a wasteful number, since it uses less digits than its factorization.

255662266551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 671029701.

The product of its digits is 6480000, while the sum is 51.

Subtracting from 255662266551 its reverse (155662266552), we obtain a palindrome (99999999999).

The spelling of 255662266551 in words is "two hundred fifty-five billion, six hundred sixty-two million, two hundred sixty-six thousand, five hundred fifty-one".