254421113043211 has 4 divisors (see below), whose sum is σ = 254422403009424. Its totient is φ = 254419823077000.

The previous prime is 254421113043197. The next prime is 254421113043221. The reversal of 254421113043211 is 112340311124452.

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 254421113043211 - 2²¹ = 254421110946059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254421113043221) 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, 644687215 + ... + 645081736.

It is an arithmetic number, because the mean of its divisors is an integer number (63605600752356).

Almost surely, 2^{254421113043211} is an apocalyptic number.

254421113043211 is a deficient number, since it is larger than the sum of its proper divisors (1289966213).

254421113043211 is a wasteful number, since it uses less digits than its factorization.

254421113043211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289966212.

The product of its (nonzero) digits is 23040, while the sum is 34.

Adding to 254421113043211 its reverse (112340311124452), we get a palindrome (366761424167663).

The spelling of 254421113043211 in words is "two hundred fifty-four trillion, four hundred twenty-one billion, one hundred thirteen million, forty-three thousand, two hundred eleven".