1115103024312 has 128 divisors (see below), whose sum is σ = 2924989911360. Its totient is φ = 353874493440.

The previous prime is 1115103024293. The next prime is 1115103024313. The reversal of 1115103024312 is 2134203015111.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1115103024313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17523112 + ... + 17586632.

Almost surely, 2^{1115103024312} is an apocalyptic number.

1115103024312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1115103024312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1462494955680).

1115103024312 is an abundant number, since it is smaller than the sum of its proper divisors (1809886887048).

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

1115103024312 is a wasteful number, since it uses less digits than its factorization.

1115103024312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63993 (or 63989 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 1115103024312 its reverse (2134203015111), we get a palindrome (3249306039423).

The spelling of 1115103024312 in words is "one trillion, one hundred fifteen billion, one hundred three million, twenty-four thousand, three hundred twelve".