255342262243551 has 24 divisors (see below), whose sum is σ = 396050586994944. Its totient is φ = 145906354122480.

The previous prime is 255342262243507. The next prime is 255342262243553. The reversal of 255342262243551 is 155342262243552.

255342262243551 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 255342262243551 - 2¹⁷ = 255342262112479 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 255342262243494 and 255342262243503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255342262243553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14755335 + ... + 26988968.

It is an arithmetic number, because the mean of its divisors is an integer number (16502107791456).

Almost surely, 2^{255342262243551} is an apocalyptic number.

255342262243551 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

255342262243551 is a deficient number, since it is larger than the sum of its proper divisors (140708324751393).

255342262243551 is a wasteful number, since it uses less digits than its factorization.

255342262243551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41785931 (or 41785924 counting only the distinct ones).

The product of its digits is 17280000, while the sum is 51.

Subtracting from 255342262243551 its reverse (155342262243552), we obtain a palindrome (99999999999999).

The spelling of 255342262243551 in words is "two hundred fifty-five trillion, three hundred forty-two billion, two hundred sixty-two million, two hundred forty-three thousand, five hundred fifty-one".