11110432420 has 12 divisors (see below), whose sum is σ = 23331908124. Its totient is φ = 4444172960.

The previous prime is 11110432397. The next prime is 11110432423. The reversal of 11110432420 is 2423401111.

It can be written as a sum of positive squares in 2 ways, for example, as 3440526336 + 7669906084 = 58656^2 + 87578^2 .

It is not an unprimeable number, because it can be changed into a prime (11110432423) 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 3 ways as a sum of consecutive naturals, for example, 277760791 + ... + 277760830.

It is an arithmetic number, because the mean of its divisors is an integer number (1944325677).

Almost surely, 2^11110432420 is an apocalyptic number.

11110432420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11110432420 is an abundant number, since it is smaller than the sum of its proper divisors (12221475704).

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

11110432420 is a wasteful number, since it uses less digits than its factorization.

11110432420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 555521630 (or 555521628 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 11110432420 its reverse (2423401111), we get a palindrome (13533833531).

The spelling of 11110432420 in words is "eleven billion, one hundred ten million, four hundred thirty-two thousand, four hundred twenty".