11217234432 has 80 divisors (see below), whose sum is σ = 30847525632. Its totient is φ = 3618447360.

The previous prime is 11217234419. The next prime is 11217234433. The reversal of 11217234432 is 23443271211.

It is a self number, because there is not a number n which added to its sum of digits gives 11217234432.

It is not an unprimeable number, because it can be changed into a prime (11217234433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70173 + ... + 165404.

Almost surely, 2^11217234432 is an apocalyptic number.

11217234432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11217234432 is an abundant number, since it is smaller than the sum of its proper divisors (19630291200).

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

11217234432 is an equidigital number, since it uses as much as digits as its factorization.

11217234432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235629 (or 235613 counting only the distinct ones).

The product of its digits is 8064, while the sum is 30.

The spelling of 11217234432 in words is "eleven billion, two hundred seventeen million, two hundred thirty-four thousand, four hundred thirty-two".