1115422122845 has 4 divisors (see below), whose sum is σ = 1338506547420. Its totient is φ = 892337698272.

The previous prime is 1115422122821. The next prime is 1115422122877. The reversal of 1115422122845 is 5482212245111.

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 275739461881 + 839682660964 = 525109^2 + 916342^2 .

It is a cyclic number.

It is not a de Polignac number, because 1115422122845 - 2²⁴ = 1115405345629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1115422122799 and 1115422122808.

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, 111542212280 + ... + 111542212289.

It is an arithmetic number, because the mean of its divisors is an integer number (334626636855).

Almost surely, 2^{1115422122845} is an apocalyptic number.

It is an amenable number.

1115422122845 is a deficient number, since it is larger than the sum of its proper divisors (223084424575).

1115422122845 is an equidigital number, since it uses as much as digits as its factorization.

1115422122845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223084424574.

The product of its digits is 51200, while the sum is 38.

Adding to 1115422122845 its reverse (5482212245111), we get a palindrome (6597634367956).

The spelling of 1115422122845 in words is "one trillion, one hundred fifteen billion, four hundred twenty-two million, one hundred twenty-two thousand, eight hundred forty-five".