11121643342041 has 16 divisors (see below), whose sum is σ = 15340348503360. Its totient is φ = 7158688564160.

The previous prime is 11121643342031. The next prime is 11121643342057. The reversal of 11121643342041 is 14024334612111.

It is a cyclic number.

It is not a de Polignac number, because 11121643342041 - 2⁵ = 11121643342009 is a prime.

It is a super-3 number, since 3×11121643342041³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11121643341993 and 11121643342011.

It is not an unprimeable number, because it can be changed into a prime (11121643342031) 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 15 ways as a sum of consecutive naturals, for example, 9141346 + ... + 10286276.

It is an arithmetic number, because the mean of its divisors is an integer number (958771781460).

Almost surely, 2^{11121643342041} is an apocalyptic number.

It is an amenable number.

11121643342041 is a deficient number, since it is larger than the sum of its proper divisors (4218705161319).

11121643342041 is a wasteful number, since it uses less digits than its factorization.

11121643342041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256616.

The product of its (nonzero) digits is 13824, while the sum is 33.

Adding to 11121643342041 its reverse (14024334612111), we get a palindrome (25145977954152).

The spelling of 11121643342041 in words is "eleven trillion, one hundred twenty-one billion, six hundred forty-three million, three hundred forty-two thousand, forty-one".