11530404441 has 12 divisors (see below), whose sum is σ = 16656078868. Its totient is φ = 7686451584.

The previous prime is 11530404427. The next prime is 11530404449. The reversal of 11530404441 is 14440403511.

11530404441 is a `hidden beast` number, since 11 + 530 + 40 + 44 + 41 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11442794841 + 87609600 = 106971^2 + 9360^2 .

It is not a de Polignac number, because 11530404441 - 2⁵ = 11530404409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11530404449) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 165501 + ... + 224613.

Almost surely, 2^11530404441 is an apocalyptic number.

It is an amenable number.

11530404441 is a deficient number, since it is larger than the sum of its proper divisors (5125674427).

11530404441 is a wasteful number, since it uses less digits than its factorization.

11530404441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80792 (or 80789 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

Adding to 11530404441 its reverse (14440403511), we get a palindrome (25970807952).

It can be divided in two parts, 1153040 and 4441, that added together give a triangular number (1157481 = T₁₅₂₁).

The spelling of 11530404441 in words is "eleven billion, five hundred thirty million, four hundred four thousand, four hundred forty-one".