11242131440 has 40 divisors (see below), whose sum is σ = 26343790080. Its totient is φ = 4461440256.

The previous prime is 11242131401. The next prime is 11242131449. The reversal of 11242131440 is 4413124211.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11242131449) 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, 543095 + ... + 563414.

It is an arithmetic number, because the mean of its divisors is an integer number (658594752).

Almost surely, 2^11242131440 is an apocalyptic number.

11242131440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11242131440 is an abundant number, since it is smaller than the sum of its proper divisors (15101658640).

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

11242131440 is a wasteful number, since it uses less digits than its factorization.

11242131440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106649 (or 1106643 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 11242131440 its reverse (4413124211), we get a palindrome (15655255651).

The spelling of 11242131440 in words is "eleven billion, two hundred forty-two million, one hundred thirty-one thousand, four hundred forty".