1211440413341 has 8 divisors (see below), whose sum is σ = 1284316952064. Its totient is φ = 1140676238160.

The previous prime is 1211440413331. The next prime is 1211440413349. The reversal of 1211440413341 is 1433140441121.

It is a happy number.

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 1211440413341 - 2³⁴ = 1194260544157 is a prime.

It is a super-3 number, since 3×1211440413341³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1211440413349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528089705 + ... + 528091998.

It is an arithmetic number, because the mean of its divisors is an integer number (160539619008).

Almost surely, 2^{1211440413341} is an apocalyptic number.

It is an amenable number.

1211440413341 is a deficient number, since it is larger than the sum of its proper divisors (72876538723).

1211440413341 is a wasteful number, since it uses less digits than its factorization.

1211440413341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1056181771.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 1211440413341 its reverse (1433140441121), we get a palindrome (2644580854462).

The spelling of 1211440413341 in words is "one trillion, two hundred eleven billion, four hundred forty million, four hundred thirteen thousand, three hundred forty-one".