255532141235551 has 12 divisors (see below), whose sum is σ = 277937911457400. Its totient is φ = 234273949503120.

The previous prime is 255532141235521. The next prime is 255532141235599. The reversal of 255532141235551 is 155532141235552.

It is not a de Polignac number, because 255532141235551 - 2¹¹ = 255532141233503 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255532141235495 and 255532141235504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255532141235521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6997411536 + ... + 6997448053.

It is an arithmetic number, because the mean of its divisors is an integer number (23161492621450).

Almost surely, 2^{255532141235551} is an apocalyptic number.

255532141235551 is a deficient number, since it is larger than the sum of its proper divisors (22405770221849).

255532141235551 is a wasteful number, since it uses less digits than its factorization.

255532141235551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13994859670 (or 13994859639 counting only the distinct ones).

The product of its digits is 4500000, while the sum is 49.

Subtracting from 255532141235551 its reverse (155532141235552), we obtain a palindrome (99999999999999).

The spelling of 255532141235551 in words is "two hundred fifty-five trillion, five hundred thirty-two billion, one hundred forty-one million, two hundred thirty-five thousand, five hundred fifty-one".