1101311054045 has 4 divisors (see below), whose sum is σ = 1321573264860. Its totient is φ = 881048843232.

The previous prime is 1101311054017. The next prime is 1101311054057. The reversal of 1101311054045 is 5404501131011.

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 616078998649 + 485232055396 = 784907^2 + 696586^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101311054045 - 2⁶ = 1101311053981 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110131105400 + ... + 110131105409.

It is an arithmetic number, because the mean of its divisors is an integer number (330393316215).

Almost surely, 2^{1101311054045} is an apocalyptic number.

It is an amenable number.

1101311054045 is a deficient number, since it is larger than the sum of its proper divisors (220262210815).

1101311054045 is an equidigital number, since it uses as much as digits as its factorization.

1101311054045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220262210814.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 1101311054045 its reverse (5404501131011), we get a palindrome (6505812185056).

The spelling of 1101311054045 in words is "one trillion, one hundred one billion, three hundred eleven million, fifty-four thousand, forty-five".