11420242133442 has 64 divisors (see below), whose sum is σ = 24567388801920. Its totient is φ = 3526126534656.

The previous prime is 11420242133441. The next prime is 11420242133467. The reversal of 11420242133442 is 24433124202411.

It is not an unprimeable number, because it can be changed into a prime (11420242133441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6735234 + ... + 8258562.

It is an arithmetic number, because the mean of its divisors is an integer number (383865450030).

Almost surely, 2^{11420242133442} is an apocalyptic number.

11420242133442 is an abundant number, since it is smaller than the sum of its proper divisors (13147146668478).

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

11420242133442 is a wasteful number, since it uses less digits than its factorization.

11420242133442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524515.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 11420242133442 its reverse (24433124202411), we get a palindrome (35853366335853).

The spelling of 11420242133442 in words is "eleven trillion, four hundred twenty billion, two hundred forty-two million, one hundred thirty-three thousand, four hundred forty-two".