11544042141 has 12 divisors (see below), whose sum is σ = 16676508160. Its totient is φ = 7695206280.

The previous prime is 11544042127. The next prime is 11544042149. The reversal of 11544042141 is 14124044511.

It is a happy number.

11544042141 is a `hidden beast` number, since 1 + 1 + 5 + 440 + 4 + 214 + 1 = 666.

It is not a de Polignac number, because 11544042141 - 2⁶ = 11544042077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11544042149) 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, 27570 + ... + 154428.

Almost surely, 2^11544042141 is an apocalyptic number.

It is an amenable number.

11544042141 is a deficient number, since it is larger than the sum of its proper divisors (5132466019).

11544042141 is a wasteful number, since it uses less digits than its factorization.

11544042141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136976 (or 136973 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

Adding to 11544042141 its reverse (14124044511), we get a palindrome (25668086652).

The spelling of 11544042141 in words is "eleven billion, five hundred forty-four million, forty-two thousand, one hundred forty-one".