1115320111224 has 128 divisors (see below), whose sum is σ = 3182918215680. Its totient is φ = 322592716800.

The previous prime is 1115320111163. The next prime is 1115320111229. The reversal of 1115320111224 is 4221110235111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 1115320111194 and 1115320111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115320111229) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 335997 + ... + 1530860.

It is an arithmetic number, because the mean of its divisors is an integer number (24866548560).

Almost surely, 2^{1115320111224} is an apocalyptic number.

It is an amenable number.

1115320111224 is an abundant number, since it is smaller than the sum of its proper divisors (2067598104456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1115320111224 is a wasteful number, since it uses less digits than its factorization.

1115320111224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866981 (or 1866977 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

Adding to 1115320111224 its reverse (4221110235111), we get a palindrome (5336430346335).

The spelling of 1115320111224 in words is "one trillion, one hundred fifteen billion, three hundred twenty million, one hundred eleven thousand, two hundred twenty-four".