11331040242 has 16 divisors (see below), whose sum is σ = 22759345440. Its totient is φ = 3760802592.

The previous prime is 11331040219. The next prime is 11331040249. The reversal of 11331040242 is 24204013311.

It is not an unprimeable number, because it can be changed into a prime (11331040249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4051192 + ... + 4053987.

It is an arithmetic number, because the mean of its divisors is an integer number (1422459090).

Almost surely, 2^11331040242 is an apocalyptic number.

11331040242 is an abundant number, since it is smaller than the sum of its proper divisors (11428305198).

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

11331040242 is a wasteful number, since it uses less digits than its factorization.

11331040242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8105417.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 11331040242 its reverse (24204013311), we get a palindrome (35535053553).

The spelling of 11331040242 in words is "eleven billion, three hundred thirty-one million, forty thousand, two hundred forty-two".