1121144440411 has 8 divisors (see below), whose sum is σ = 1142334537120. Its totient is φ = 1099955692992.

The previous prime is 1121144440397. The next prime is 1121144440447. The reversal of 1121144440411 is 1140444411211.

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 1121144440411 - 2³³ = 1112554505819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1121144440411.

It is not an unprimeable number, because it can be changed into a prime (1121144450411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1426546 + ... + 2068168.

It is an arithmetic number, because the mean of its divisors is an integer number (142791817140).

Almost surely, 2^{1121144440411} is an apocalyptic number.

1121144440411 is a deficient number, since it is larger than the sum of its proper divisors (21190096709).

1121144440411 is an equidigital number, since it uses as much as digits as its factorization.

1121144440411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674645.

The product of its (nonzero) digits is 2048, while the sum is 28.

Adding to 1121144440411 its reverse (1140444411211), we get a palindrome (2261588851622).

The spelling of 1121144440411 in words is "one trillion, one hundred twenty-one billion, one hundred forty-four million, four hundred forty thousand, four hundred eleven".