611243242321 has 8 divisors (see below), whose sum is σ = 621445780800. Its totient is φ = 601084967280.

The previous prime is 611243242301. The next prime is 611243242367. The reversal of 611243242321 is 123242342116.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 611243242321 - 2⁷ = 611243242193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (611243242301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11038011 + ... + 11093248.

It is an arithmetic number, because the mean of its divisors is an integer number (77680722600).

Almost surely, 2^611243242321 is an apocalyptic number.

It is an amenable number.

611243242321 is a deficient number, since it is larger than the sum of its proper divisors (10202538479).

611243242321 is a wasteful number, since it uses less digits than its factorization.

611243242321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22131719.

The product of its digits is 13824, while the sum is 31.

Adding to 611243242321 its reverse (123242342116), we get a palindrome (734485584437).

The spelling of 611243242321 in words is "six hundred eleven billion, two hundred forty-three million, two hundred forty-two thousand, three hundred twenty-one".