11432864688 has 80 divisors (see below), whose sum is σ = 33869665536. Its totient is φ = 3255356160.

The previous prime is 11432864687. The next prime is 11432864693. The reversal of 11432864688 is 88646823411.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 11432864688.

It is not an unprimeable number, because it can be changed into a prime (11432864687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40383 + ... + 156513.

Almost surely, 2^11432864688 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 11432864688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16934832768).

11432864688 is an abundant number, since it is smaller than the sum of its proper divisors (22436800848).

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

11432864688 is a wasteful number, since it uses less digits than its factorization.

11432864688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116442 (or 116436 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 51.

The spelling of 11432864688 in words is "eleven billion, four hundred thirty-two million, eight hundred sixty-four thousand, six hundred eighty-eight".