11144232420 has 48 divisors (see below), whose sum is σ = 31643353728. Its totient is φ = 2929937920.

The previous prime is 11144232413. The next prime is 11144232457. The reversal of 11144232420 is 2423244111.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1303749 + ... + 1312268.

It is an arithmetic number, because the mean of its divisors is an integer number (659236536).

Almost surely, 2^11144232420 is an apocalyptic number.

11144232420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11144232420 is an abundant number, since it is smaller than the sum of its proper divisors (20499121308).

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

11144232420 is a wasteful number, since it uses less digits than its factorization.

11144232420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2616100 (or 2616098 counting only the distinct ones).

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

Adding to 11144232420 its reverse (2423244111), we get a palindrome (13567476531).

The spelling of 11144232420 in words is "eleven billion, one hundred forty-four million, two hundred thirty-two thousand, four hundred twenty".