11431022424 has 64 divisors (see below), whose sum is σ = 29652722400. Its totient is φ = 3669110784.

The previous prime is 11431022419. The next prime is 11431022467. The reversal of 11431022424 is 42422013411.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 11431022394 and 11431022403.

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, 19782 + ... + 152490.

Almost surely, 2^11431022424 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 11431022424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14826361200).

11431022424 is an abundant number, since it is smaller than the sum of its proper divisors (18221699976).

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

11431022424 is a wasteful number, since it uses less digits than its factorization.

11431022424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132852 (or 132848 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11431022424 its reverse (42422013411), we get a palindrome (53853035835).

The spelling of 11431022424 in words is "eleven billion, four hundred thirty-one million, twenty-two thousand, four hundred twenty-four".