411324221551 has 4 divisors (see below), whose sum is σ = 411777722152. Its totient is φ = 410870720952.

The previous prime is 411324221549. The next prime is 411324221573. The reversal of 411324221551 is 155122423114.

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 411324221551 - 2¹ = 411324221549 is a prime.

It is a super-2 number, since 2×411324221551² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (411324221501) 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, 226748940 + ... + 226750753.

It is an arithmetic number, because the mean of its divisors is an integer number (102944430538).

Almost surely, 2^411324221551 is an apocalyptic number.

411324221551 is a deficient number, since it is larger than the sum of its proper divisors (453500601).

411324221551 is an equidigital number, since it uses as much as digits as its factorization.

411324221551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453500600.

The product of its digits is 9600, while the sum is 31.

Adding to 411324221551 its reverse (155122423114), we get a palindrome (566446644665).

The spelling of 411324221551 in words is "four hundred eleven billion, three hundred twenty-four million, two hundred twenty-one thousand, five hundred fifty-one".