1100320013005 has 4 divisors (see below), whose sum is σ = 1320384015612. Its totient is φ = 880256010400.

The previous prime is 1100320012993. The next prime is 1100320013011. The reversal of 1100320013005 is 5003100230011.

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 416187555876 + 684132457129 = 645126^2 + 827123^2 .

It is not a de Polignac number, because 1100320013005 - 2¹¹ = 1100320010957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1100320013005.

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, 110032001296 + ... + 110032001305.

It is an arithmetic number, because the mean of its divisors is an integer number (330096003903).

Almost surely, 2^{1100320013005} is an apocalyptic number.

It is an amenable number.

1100320013005 is a deficient number, since it is larger than the sum of its proper divisors (220064002607).

1100320013005 is an equidigital number, since it uses as much as digits as its factorization.

1100320013005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220064002606.

The product of its (nonzero) digits is 90, while the sum is 16.

Adding to 1100320013005 its reverse (5003100230011), we get a palindrome (6103420243016).

The spelling of 1100320013005 in words is "one trillion, one hundred billion, three hundred twenty million, thirteen thousand, five".