11113204440 has 64 divisors (see below), whose sum is σ = 35904204000. Its totient is φ = 2735557632.

The previous prime is 11113204411. The next prime is 11113204451. The reversal of 11113204440 is 4440231111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3560365 + ... + 3563484.

Almost surely, 2^11113204440 is an apocalyptic number.

11113204440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11113204440 is an abundant number, since it is smaller than the sum of its proper divisors (24790999560).

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

11113204440 is a wasteful number, since it uses less digits than its factorization.

11113204440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7123876 (or 7123872 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11113204440 its reverse (4440231111), we get a palindrome (15553435551).

The spelling of 11113204440 in words is "eleven billion, one hundred thirteen million, two hundred four thousand, four hundred forty".