11144002420 has 12 divisors (see below), whose sum is σ = 23402405124. Its totient is φ = 4457600960.

The previous prime is 11144002403. The next prime is 11144002433. The reversal of 11144002420 is 2420044111.

It can be written as a sum of positive squares in 2 ways, for example, as 8890981264 + 2253021156 = 94292^2 + 47466^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 278600041 + ... + 278600080.

It is an arithmetic number, because the mean of its divisors is an integer number (1950200427).

Almost surely, 2^11144002420 is an apocalyptic number.

11144002420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11144002420 is an abundant number, since it is smaller than the sum of its proper divisors (12258402704).

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

11144002420 is a wasteful number, since it uses less digits than its factorization.

11144002420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557200130 (or 557200128 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 11144002420 its reverse (2420044111), we get a palindrome (13564046531).

The spelling of 11144002420 in words is "eleven billion, one hundred forty-four million, two thousand, four hundred twenty".