1100320312405 has 8 divisors (see below), whose sum is σ = 1325256643584. Its totient is φ = 877008070800.

The previous prime is 1100320312393. The next prime is 1100320312417. The reversal of 1100320312405 is 5042130230011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1100320312393) and next prime (1100320312417).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1100320312405 - 2²¹ = 1100318215253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406020901 + ... + 406023610.

It is an arithmetic number, because the mean of its divisors is an integer number (165657080448).

Almost surely, 2^{1100320312405} is an apocalyptic number.

It is an amenable number.

1100320312405 is a deficient number, since it is larger than the sum of its proper divisors (224936331179).

1100320312405 is an equidigital number, since it uses as much as digits as its factorization.

1100320312405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 812044787.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 1100320312405 its reverse (5042130230011), we get a palindrome (6142450542416).

The spelling of 1100320312405 in words is "one trillion, one hundred billion, three hundred twenty million, three hundred twelve thousand, four hundred five".