1115423544311 has 4 divisors (see below), whose sum is σ = 1115428412952. Its totient is φ = 1115418675672.

The previous prime is 1115423544299. The next prime is 1115423544317. The reversal of 1115423544311 is 1134453245111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1115423544311 - 2¹⁴ = 1115423527927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115423544317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2072765 + ... + 2554838.

It is an arithmetic number, because the mean of its divisors is an integer number (278857103238).

Almost surely, 2^{1115423544311} is an apocalyptic number.

1115423544311 is a deficient number, since it is larger than the sum of its proper divisors (4868641).

1115423544311 is an equidigital number, since it uses as much as digits as its factorization.

1115423544311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868640.

The product of its digits is 28800, while the sum is 35.

Adding to 1115423544311 its reverse (1134453245111), we get a palindrome (2249876789422).

The spelling of 1115423544311 in words is "one trillion, one hundred fifteen billion, four hundred twenty-three million, five hundred forty-four thousand, three hundred eleven".