11042131320 has 96 divisors (see below), whose sum is σ = 39149388720. Its totient is φ = 2676879360.

The previous prime is 11042131307. The next prime is 11042131327. The reversal of 11042131320 is 2313124011.

11042131320 is a `hidden beast` number, since 110 + 421 + 3 + 132 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11042131293 and 11042131302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042131327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1390249 + ... + 1398168.

Almost surely, 2^11042131320 is an apocalyptic number.

11042131320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11042131320 is an abundant number, since it is smaller than the sum of its proper divisors (28107257400).

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

11042131320 is a wasteful number, since it uses less digits than its factorization.

11042131320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788445 (or 2788438 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11042131320 its reverse (2313124011), we get a palindrome (13355255331).

The spelling of 11042131320 in words is "eleven billion, forty-two million, one hundred thirty-one thousand, three hundred twenty".