11544136441 has 4 divisors (see below), whose sum is σ = 11706729984. Its totient is φ = 11381542900.

The previous prime is 11544136403. The next prime is 11544136519. The reversal of 11544136441 is 14463144511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11544136441 - 2⁹ = 11544135929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11544136397 and 11544136406.

It is not an unprimeable number, because it can be changed into a prime (11544136141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81296665 + ... + 81296806.

It is an arithmetic number, because the mean of its divisors is an integer number (2926682496).

Almost surely, 2^11544136441 is an apocalyptic number.

It is an amenable number.

11544136441 is a deficient number, since it is larger than the sum of its proper divisors (162593543).

11544136441 is an equidigital number, since it uses as much as digits as its factorization.

11544136441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162593542.

The product of its digits is 23040, while the sum is 34.

The spelling of 11544136441 in words is "eleven billion, five hundred forty-four million, one hundred thirty-six thousand, four hundred forty-one".