11242431424 has 56 divisors (see below), whose sum is σ = 26016610400. Its totient is φ = 4818175488.

The previous prime is 11242431373. The next prime is 11242431427. The reversal of 11242431424 is 42413424211.

It is a tau number, because it is divible by the number of its divisors (56).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 11242431392 and 11242431401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11242431427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234117 + ... + 278020.

Almost surely, 2^11242431424 is an apocalyptic number.

11242431424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11242431424 is an abundant number, since it is smaller than the sum of its proper divisors (14774178976).

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

11242431424 is an frugal number, since it uses more digits than its factorization.

11242431424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512170 (or 512146 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

Adding to 11242431424 its reverse (42413424211), we get a palindrome (53655855635).

The spelling of 11242431424 in words is "eleven billion, two hundred forty-two million, four hundred thirty-one thousand, four hundred twenty-four".