1113450155440 has 240 divisors, whose sum is σ = 3172416952320. Its totient is φ = 361377676800.

The previous prime is 1113450155413. The next prime is 1113450155449. The reversal of 1113450155440 is 445510543111.

It is a junction number, because it is equal to n+sod(n) for n = 1113450155396 and 1113450155405.

It is not an unprimeable number, because it can be changed into a prime (1113450155449) 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 47 ways as a sum of consecutive naturals, for example, 108065329 + ... + 108075631.

It is an arithmetic number, because the mean of its divisors is an integer number (13218403968).

Almost surely, 2^{1113450155440} is an apocalyptic number.

1113450155440 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 1113450155440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1586208476160).

1113450155440 is an abundant number, since it is smaller than the sum of its proper divisors (2058966796880).

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

1113450155440 is a wasteful number, since it uses less digits than its factorization.

1113450155440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11800 (or 11787 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 34.

Adding to 1113450155440 its reverse (445510543111), we get a palindrome (1558960698551).

The spelling of 1113450155440 in words is "one trillion, one hundred thirteen billion, four hundred fifty million, one hundred fifty-five thousand, four hundred forty".