11404331142 has 64 divisors (see below), whose sum is σ = 24269414400. Its totient is φ = 3565779840.

The previous prime is 11404331131. The next prime is 11404331149. The reversal of 11404331142 is 24113340411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11404331149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7924459 + ... + 7925897.

It is an arithmetic number, because the mean of its divisors is an integer number (379209600).

Almost surely, 2^11404331142 is an apocalyptic number.

11404331142 is an abundant number, since it is smaller than the sum of its proper divisors (12865083258).

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

11404331142 is a wasteful number, since it uses less digits than its factorization.

11404331142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2741.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11404331142 its reverse (24113340411), we get a palindrome (35517671553).

The spelling of 11404331142 in words is "eleven billion, four hundred four million, three hundred thirty-one thousand, one hundred forty-two".