255430121411 has 4 divisors (see below), whose sum is σ = 256424013192. Its totient is φ = 254436229632.

The previous prime is 255430121377. The next prime is 255430121431. The reversal of 255430121411 is 114121034552.

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 255430121411 - 2⁶ = 255430121347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (255430121431) 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, 496945505 + ... + 496946018.

It is an arithmetic number, because the mean of its divisors is an integer number (64106003298).

Almost surely, 2^255430121411 is an apocalyptic number.

255430121411 is a deficient number, since it is larger than the sum of its proper divisors (993891781).

255430121411 is an equidigital number, since it uses as much as digits as its factorization.

255430121411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 993891780.

The product of its (nonzero) digits is 4800, while the sum is 29.

Adding to 255430121411 its reverse (114121034552), we get a palindrome (369551155963).

The spelling of 255430121411 in words is "two hundred fifty-five billion, four hundred thirty million, one hundred twenty-one thousand, four hundred eleven".