11544114420 has 72 divisors (see below), whose sum is σ = 35170185960. Its totient is φ = 3064976640.

The previous prime is 11544114409. The next prime is 11544114427. The reversal of 11544114420 is 2441144511.

It is a happy number.

11544114420 is a `hidden beast` number, since 1 + 1 + 544 + 114 + 4 + 2 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4534406244 + 7009708176 = 67338^2 + 83724^2 .

It is a super-3 number, since 3×11544114420³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11544114427) 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, 98811 + ... + 181250.

It is an arithmetic number, because the mean of its divisors is an integer number (488474805).

Almost surely, 2^11544114420 is an apocalyptic number.

11544114420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11544114420 is an abundant number, since it is smaller than the sum of its proper divisors (23626071540).

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

11544114420 is a wasteful number, since it uses less digits than its factorization.

11544114420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280305 (or 280300 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 11544114420 its reverse (2441144511), we get a palindrome (13985258931).

The spelling of 11544114420 in words is "eleven billion, five hundred forty-four million, one hundred fourteen thousand, four hundred twenty".