11113203432 has 32 divisors (see below), whose sum is σ = 28174322880. Its totient is φ = 3652225920.

The previous prime is 11113203421. The next prime is 11113203449. The reversal of 11113203432 is 23430231111.

It is a junction number, because it is equal to n+sod(n) for n = 11113203399 and 11113203408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3259213 + ... + 3262620.

It is an arithmetic number, because the mean of its divisors is an integer number (880447590).

Almost surely, 2^11113203432 is an apocalyptic number.

11113203432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11113203432 is an abundant number, since it is smaller than the sum of its proper divisors (17061119448).

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

11113203432 is a wasteful number, since it uses less digits than its factorization.

11113203432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6521913 (or 6521909 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11113203432 its reverse (23430231111), we get a palindrome (34543434543).

The spelling of 11113203432 in words is "eleven billion, one hundred thirteen million, two hundred three thousand, four hundred thirty-two".