1101244243045 has 16 divisors (see below), whose sum is σ = 1348249121280. Its totient is φ = 863203034304.

The previous prime is 1101244243027. The next prime is 1101244243049. The reversal of 1101244243045 is 5403424421011.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1101244243045 - 2⁹ = 1101244242533 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101244242998 and 1101244243016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1101244243049) 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, 2615829 + ... + 3007498.

It is an arithmetic number, because the mean of its divisors is an integer number (84265570080).

Almost surely, 2^{1101244243045} is an apocalyptic number.

It is an amenable number.

1101244243045 is a deficient number, since it is larger than the sum of its proper divisors (247004878235).

1101244243045 is an equidigital number, since it uses as much as digits as its factorization.

1101244243045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5624124.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 1101244243045 its reverse (5403424421011), we get a palindrome (6504668664056).

The spelling of 1101244243045 in words is "one trillion, one hundred one billion, two hundred forty-four million, two hundred forty-three thousand, forty-five".