411111321454321 has 2 divisors, whose sum is σ = 411111321454322. Its totient is φ = 411111321454320.

The previous prime is 411111321454279. The next prime is 411111321454333. The reversal of 411111321454321 is 123454123111114.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 250327298410225 + 160784023044096 = 15821735^2 + 12680064^2 .

It is a cyclic number.

It is not a de Polignac number, because 411111321454321 - 2¹⁹ = 411111320930033 is a prime.

It is not a weakly prime, because it can be changed into another prime (411111321455321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 205555660727160 + 205555660727161.

It is an arithmetic number, because the mean of its divisors is an integer number (205555660727161).

Almost surely, 2^{411111321454321} is an apocalyptic number.

It is an amenable number.

411111321454321 is a deficient number, since it is larger than the sum of its proper divisors (1).

411111321454321 is an equidigital number, since it uses as much as digits as its factorization.

411111321454321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11520, while the sum is 34.

Adding to 411111321454321 its reverse (123454123111114), we get a palindrome (534565444565435).

The spelling of 411111321454321 in words is "four hundred eleven trillion, one hundred eleven billion, three hundred twenty-one million, four hundred fifty-four thousand, three hundred twenty-one".