11142044430 has 32 divisors (see below), whose sum is σ = 29171899008. Its totient is φ = 2701101600.

The previous prime is 11142044411. The next prime is 11142044437. The reversal of 11142044430 is 3444024111.

It is a self number, because there is not a number n which added to its sum of digits gives 11142044430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11142044437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16881556 + ... + 16882215.

It is an arithmetic number, because the mean of its divisors is an integer number (911621844).

Almost surely, 2^11142044430 is an apocalyptic number.

11142044430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11142044430 is an abundant number, since it is smaller than the sum of its proper divisors (18029854578).

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

11142044430 is a wasteful number, since it uses less digits than its factorization.

11142044430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33763792.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 11142044430 its reverse (3444024111), we get a palindrome (14586068541).

The spelling of 11142044430 in words is "eleven billion, one hundred forty-two million, forty-four thousand, four hundred thirty".