11113040432 has 40 divisors (see below), whose sum is σ = 23244658080. Its totient is φ = 5116515840.

The previous prime is 11113040423. The next prime is 11113040461. The reversal of 11113040432 is 23404031111.

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, 19757 + ... + 150387.

It is an arithmetic number, because the mean of its divisors is an integer number (581116452).

Almost surely, 2^11113040432 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11113040432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11622329040).

11113040432 is an abundant number, since it is smaller than the sum of its proper divisors (12131617648).

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

11113040432 is a wasteful number, since it uses less digits than its factorization.

11113040432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131061 (or 131055 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 11113040432 its reverse (23404031111), we get a palindrome (34517071543).

The spelling of 11113040432 in words is "eleven billion, one hundred thirteen million, forty thousand, four hundred thirty-two".