1113404431240 has 64 divisors (see below), whose sum is σ = 2566468800000. Its totient is φ = 434464181760.

The previous prime is 1113404431231. The next prime is 1113404431247. The reversal of 1113404431240 is 421344043111.

It is a junction number, because it is equal to n+sod(n) for n = 1113404431199 and 1113404431208.

It is not an unprimeable number, because it can be changed into a prime (1113404431247) 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 15 ways as a sum of consecutive naturals, for example, 30910761 + ... + 30946759.

It is an arithmetic number, because the mean of its divisors is an integer number (40101075000).

Almost surely, 2^{1113404431240} is an apocalyptic number.

1113404431240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1113404431240 is an abundant number, since it is smaller than the sum of its proper divisors (1453064368760).

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

1113404431240 is a wasteful number, since it uses less digits than its factorization.

1113404431240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54910 (or 54906 counting only the distinct ones).

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

Adding to 1113404431240 its reverse (421344043111), we get a palindrome (1534748474351).

The spelling of 1113404431240 in words is "one trillion, one hundred thirteen billion, four hundred four million, four hundred thirty-one thousand, two hundred forty".