1140331344121 has 4 divisors (see below), whose sum is σ = 1159025300644. Its totient is φ = 1121637387600.

The previous prime is 1140331344107. The next prime is 1140331344221. The reversal of 1140331344121 is 1214431330411.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 92287756521 + 1048043587600 = 303789^2 + 1023740^2 .

It is a cyclic number.

It is not a de Polignac number, because 1140331344121 - 2⁷ = 1140331343993 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 1140331344121.

It is not an unprimeable number, because it can be changed into a prime (1140331344101) 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 3 ways as a sum of consecutive naturals, for example, 9346978170 + ... + 9346978291.

It is an arithmetic number, because the mean of its divisors is an integer number (289756325161).

Almost surely, 2^{1140331344121} is an apocalyptic number.

It is an amenable number.

1140331344121 is a deficient number, since it is larger than the sum of its proper divisors (18693956523).

1140331344121 is an equidigital number, since it uses as much as digits as its factorization.

1140331344121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18693956522.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 1140331344121 its reverse (1214431330411), we get a palindrome (2354762674532).

The spelling of 1140331344121 in words is "one trillion, one hundred forty billion, three hundred thirty-one million, three hundred forty-four thousand, one hundred twenty-one".