1121002540441 has 16 divisors (see below), whose sum is σ = 1286877965184. Its totient is φ = 956567107584.

The previous prime is 1121002540421. The next prime is 1121002540451. The reversal of 1121002540441 is 1440452001211.

It is a cyclic number.

It is not a de Polignac number, because 1121002540441 - 2⁹ = 1121002539929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1121002540421) 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 15 ways as a sum of consecutive naturals, for example, 1653721 + ... + 2230873.

It is an arithmetic number, because the mean of its divisors is an integer number (80429872824).

Almost surely, 2^{1121002540441} is an apocalyptic number.

It is an amenable number.

1121002540441 is a deficient number, since it is larger than the sum of its proper divisors (165875424743).

1121002540441 is an equidigital number, since it uses as much as digits as its factorization.

1121002540441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578400.

The product of its (nonzero) digits is 1280, while the sum is 25.

Adding to 1121002540441 its reverse (1440452001211), we get a palindrome (2561454541652).

The spelling of 1121002540441 in words is "one trillion, one hundred twenty-one billion, two million, five hundred forty thousand, four hundred forty-one".