11144004705 has 40 divisors (see below), whose sum is σ = 19985627112. Its totient is φ = 5940801792.

The previous prime is 11144004673. The next prime is 11144004709. The reversal of 11144004705 is 50740044111.

It can be written as a sum of positive squares in 4 ways, for example, as 5692249809 + 5451754896 = 75447^2 + 73836^2 .

It is not a de Polignac number, because 11144004705 - 2⁵ = 11144004673 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11144004709) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1176669 + ... + 1186101.

Almost surely, 2^11144004705 is an apocalyptic number.

11144004705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11144004705 is a deficient number, since it is larger than the sum of its proper divisors (8841622407).

11144004705 is an equidigital number, since it uses as much as digits as its factorization.

11144004705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12367 (or 12358 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

Adding to 11144004705 its reverse (50740044111), we get a palindrome (61884048816).

The spelling of 11144004705 in words is "eleven billion, one hundred forty-four million, four thousand, seven hundred five".