1113432122440 has 256 divisors, whose sum is σ = 2949369200640. Its totient is φ = 374077440000.

The previous prime is 1113432122423. The next prime is 1113432122449. The reversal of 1113432122440 is 442212343111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1113432122399 and 1113432122408.

It is not an unprimeable number, because it can be changed into a prime (1113432122449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 181013365 + ... + 181019515.

It is an arithmetic number, because the mean of its divisors is an integer number (11520973440).

Almost surely, 2^{1113432122440} is an apocalyptic number.

1113432122440 is a gapful number since it is divisible by the number (10) 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 1113432122440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1474684600320).

1113432122440 is an abundant number, since it is smaller than the sum of its proper divisors (1835937078200).

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

1113432122440 is a wasteful number, since it uses less digits than its factorization.

1113432122440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804 (or 6800 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 1113432122440 its reverse (442212343111), we get a palindrome (1555644465551).

The spelling of 1113432122440 in words is "one trillion, one hundred thirteen billion, four hundred thirty-two million, one hundred twenty-two thousand, four hundred forty".